Windows Server 2016
Monthly
Heap-based buffer overflow in the Windows Advanced Local Procedure Call (ALPC) subsystem enables a low-privileged local attacker to elevate privileges to SYSTEM level across a broad range of Windows 10 and Windows Server releases. The flaw (CWE-122) resides in ALPC's message-handling internals, where crafted IPC payloads can corrupt heap memory in a way that redirects execution. No public exploit has been identified at time of analysis, and Microsoft has released patches covering all affected builds.
Privilege escalation in the Windows Telephony Service (TapiSrv) allows an authenticated local attacker with low-privilege access to gain SYSTEM-level privileges by exploiting a race condition in how the service handles concurrent access to shared resources. Affected products span Windows 10 (multiple feature releases), Windows 11, and Windows Server 2012 through 2025, representing a broad swath of the Microsoft ecosystem. No public exploit identified at time of analysis and the CVE is not listed in CISA KEV, but a vendor patch is available via the Microsoft Security Response Center.
Privilege escalation via heap-based buffer overflow in Windows Installer (msiexec) allows a low-privileged local user to gain full system control. Affected product is Microsoft Windows across versions that ship with the vulnerable Windows Installer component; exact version scope is defined by the MSRC advisory. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in CISA's KEV catalog, though its low-complexity, no-user-interaction profile makes it a realistic post-foothold escalation tool.
Stack-based buffer overflow in the Windows Installer component (msiexec) enables local privilege escalation to SYSTEM on affected Windows systems. An attacker holding any standard local user account can trigger the overflow with low complexity and no user interaction required, achieving full compromise of confidentiality, integrity, and availability. No public exploit has been identified at time of analysis, and this vulnerability does not appear in the CISA KEV catalog based on available data.
Privilege escalation in Windows Installer exposes all supported Windows systems to SYSTEM-level compromise by any low-privileged local user. The heap-based buffer overflow (CWE-122) in the Installer service requires only an authenticated local session - no user interaction, no elevated credentials, and low attack complexity per CVSS:3.1/AV:L/AC:L/PR:L/UI:N. No public exploit code or active exploitation via CISA KEV has been identified at time of analysis, but the ubiquity of Windows Installer and the straightforward exploitation conditions make this a meaningful post-compromise escalation primitive.
Local privilege escalation in Windows Installer (msiexec) stems from a stack-based buffer overflow (CWE-121) exploitable by any authenticated local user. An attacker with low-privilege access on an affected Windows system can trigger the overflow to gain full SYSTEM-level control, achieving complete confidentiality, integrity, and availability compromise of the local host. No public exploit code or CISA KEV listing has been identified at time of analysis, though the low attack complexity and broad Windows deployment footprint make this a meaningful priority for patch management.
Privilege escalation via heap-based buffer overflow in the Windows DNS component affects Windows 10, Windows 11, and Windows Server editions spanning Server 2012 through Server 2025. An authorized local attacker holding low-privilege credentials can trigger the overflow to achieve full system compromise (C:H/I:H/A:H). No public exploit code or active exploitation has been identified at time of analysis; a vendor-released patch is available through the Microsoft Security Response Center advisory.
Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows a low-privileged local attacker to gain full system control through a use-after-free memory corruption condition. The CVSS vector (AV:L/AC:H/PR:L) confirms the attack is constrained to local access with high complexity, meaning exploitation is non-trivial and likely requires precise timing or race condition triggering. No public exploit code and no CISA KEV listing have been identified at time of analysis, though the tags indicate Denial of Service is also a potential impact alongside privilege escalation.
Heap-based buffer overflow in the Windows DNS component enables a locally authenticated low-privileged attacker to escalate privileges to SYSTEM across a broad range of Windows releases, from Windows 10 version 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. The CVSS 3.1 score of 7.8 reflects low attack complexity and full confidentiality, integrity, and availability impact once local access is obtained, with no user interaction required. No public exploit code or active exploitation has been identified at time of analysis, and a vendor-released patch is available via the Microsoft Security Response Center.
Privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows a locally authenticated attacker to gain SYSTEM-level privileges through a use-after-free memory corruption flaw. Affected systems include Windows installations where the WinSock subsystem is active, which covers virtually all Windows deployments. No public exploit code or active exploitation has been identified at time of analysis, though the high-complexity exploitation bar somewhat limits immediate opportunistic risk.
Remote unauthenticated denial of service in Windows Network File System (NFS) allows a network attacker to crash the NFS service by sending a malformed packet that triggers a buffer over-read (CWE-126). Affected systems span Windows Server 2012 through 2025 and Windows 10 versions 1607 and 1809. No public exploit code has been identified at time of analysis, and CISA has not added this to the Known Exploited Vulnerabilities catalog; Microsoft has released patches across all affected build lines.
Local privilege escalation in Windows Key Guard exposes any authenticated local user to full system compromise via a heap-based buffer overflow (CWE-122). The CVSS vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms low-complexity exploitation requiring only a standard local user session - no elevated rights, no user interaction. This class of vulnerability is a staple post-initial-access technique in ransomware and APT intrusion chains. No public exploit identified at time of analysis, and no CISA KEV listing is present in the provided data.
Local privilege escalation in the Windows Storage Port Driver (storport.sys) exploits a heap-based buffer overflow to allow an authorized low-privilege user to gain SYSTEM-level control of an affected Windows host. The CVSS 7.8 vector (AV:L/AC:L/PR:L/UI:N) confirms the attack requires only an existing low-privilege local session - no additional permissions or user interaction are needed - with full confidentiality, integrity, and availability impact upon success. No public exploit has been identified at time of analysis, and no active exploitation has been confirmed in CISA KEV.
Privilege escalation in Windows DNS affects every major Windows 10, 11, and Windows Server release from 2012 through 2025, allowing a locally authenticated low-privileged attacker to achieve full system compromise through a heap-based buffer overflow triggered by integer wraparound. The CVSS base score of 7.8 reflects total C/I/A impact and low attack complexity once local access exists. No public exploit code has been identified at time of analysis, and EPSS at 0.26% (17th percentile) confirms low current exploitation probability - though SSVC rates technical impact as total, underscoring that successful exploitation yields complete system control.
Heap-based buffer overflow in the Windows iSCSI Target Service enables an unauthenticated remote attacker to trigger denial of service across a wide range of Windows Server versions from 2012 through 2025. The vendor-assigned CVSS vector of C:H/I:H/A:H suggests potential impact beyond the description's stated denial-of-service scope, warranting attention to whether memory corruption could extend to confidentiality or integrity compromise. No public exploit or active exploitation has been identified at time of analysis; however, SSVC designates the attack as automatable, elevating the urgency for organizations running exposed iSCSI targets to apply available patches.
Remote code execution in the Windows iSCSI Target Service allows an unauthenticated network attacker to run arbitrary code by exploiting a heap-based buffer overflow (CWE-122) in the service's network-facing request handling. The flaw carries a critical 9.8 CVSS rating and is remotely reachable with no privileges or user interaction, meaning any exposed iSCSI Target endpoint can be compromised end-to-end. No public exploit identified at time of analysis, and the vulnerability is not listed in CISA KEV.
Privilege escalation in Windows Message Queuing (MSMQ) allows a locally authenticated attacker to gain SYSTEM-level privileges via a heap-based buffer overflow. Affected systems are those running Windows with the Message Queuing service enabled. The CVSS score of 7.8 (High) reflects high confidentiality, integrity, and availability impact, though exploitation requires existing local access. No public exploit or CISA KEV listing has been identified at time of analysis.
Remote code execution via use-after-free memory corruption in Windows DNS enables unauthenticated network attackers to achieve full system compromise against exposed DNS servers. The CVSS:3.1 vector (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) confirms network-reachable, zero-privilege exploitation, though high attack complexity signals that reliable triggering requires precise memory state manipulation rather than simple packet delivery. No public exploit identified at time of analysis, and this CVE is not listed in the CISA KEV catalog.
Heap-based buffer overflow in the Windows Desktop Window Manager (dwm.exe) enables a locally authenticated low-privileged user to escalate to SYSTEM-level privileges. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires only existing local access with standard user credentials and no user interaction, making this a viable second-stage privilege escalation tool post-initial-compromise. No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity is a meaningful risk signal for defenders.
Privilege escalation in Windows Desktop Window Manager (DWM) allows a low-privileged local attacker to exploit a heap-based buffer overflow and obtain SYSTEM-level access. The vulnerability affects all modern Windows systems where DWM is running - its default state on any graphical Windows installation - and requires no user interaction once the attacker has local code execution. No public exploit identified at time of analysis and not listed in CISA KEV, though the low attack complexity (AC:L) meaningfully reduces the skill threshold for weaponization.
Privilege escalation in Windows Win32K via a use-after-free memory corruption flaw enables a locally authenticated standard user to gain SYSTEM-level access across a broad range of Microsoft Windows desktop and server releases. The vulnerability resides in the win32k.sys kernel-mode driver and carries a CVSS 7.8 score with low attack complexity and no user interaction required once local code execution is established. No public exploit has been identified at time of analysis and the vulnerability is not listed in CISA KEV, though vendor patch is available and Win32K LPE flaws are historically attractive as second-stage payloads in chained attack campaigns.
Local privilege escalation in Windows Installer (msiexec) enables an authenticated low-privileged user to trigger a heap-based buffer overflow, potentially achieving SYSTEM-level code execution across a broad range of Windows client and server platforms spanning over a decade of releases. Affected systems include Windows 10 through Windows 11 25H2 and Windows Server 2012 through Server 2025, making the exposure surface extensive across enterprise and consumer deployments. No public exploit identified at time of analysis and no active exploitation confirmed via CISA KEV; vendor-released patches are available through the Microsoft Security Response Center.
Windows iSCSI Target Service across multiple Windows Server and Windows 10 versions contains a null pointer dereference that enables an unauthenticated remote attacker to crash the service, resulting in denial of service. Affected systems span Windows Server 2016 through 2025 and Windows 10 versions 1607 and 1809, all below their respective patched build numbers. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in the CISA KEV catalog, though the low-complexity, unauthenticated network vector makes it straightforward to exploit once the target service is reachable.
Remote code execution via heap-based buffer overflow in the Windows iSCSI Target Service affects a broad range of Windows Server versions from Server 2012 through Server 2025, as well as Windows 10 (versions 1607 and 1809). An unauthenticated network attacker can send a malformed iSCSI protocol request to trigger CWE-122 heap corruption and achieve arbitrary code execution on the target host. No public exploit identified at time of analysis and no CISA KEV listing, though the CVSS score of 8.1 (AC:H) reflects real exploitation complexity; the full C:H/I:H/A:H impact triad makes this a credible priority for environments running the iSCSI Target role.
Privilege escalation via use-after-free in the Windows Win32K kernel subsystem affects Windows 10, Windows 11, and Windows Server releases from 2016 through 2025. An authorized local attacker with low-level authenticated access can exploit memory corruption in Win32K's kernel pool to elevate to SYSTEM-level privileges. CVSS rates this 7.0 with high attack complexity (AC:H); no CISA KEV listing or public proof-of-concept has been identified at time of analysis.
Privilege escalation via heap buffer overflow in the Windows Remote Access (RAS) API affects every major in-support Windows desktop and server release, from Server 2012 R2 through Windows 11 26H1 and Server 2025. An authenticated local attacker with low-privileged access can trigger a CWE-122 heap overflow to achieve full SYSTEM-level compromise with High confidentiality, integrity, and availability impact and no user interaction required. No public exploit code or active exploitation has been identified at time of analysis; Microsoft has released a patch across all affected build lines.
Privilege escalation in the Windows Backup Engine component affects a broad range of Microsoft Windows client and server releases, exploitable by a local authenticated user holding standard privileges. The vulnerability stems from a race condition (CWE-362) in how the Backup Engine manages shared resources under concurrent execution, creating a timing window that a low-privileged attacker can win to gain elevated - likely SYSTEM-level - access. No public exploit identified at time of analysis and the vulnerability is absent from the CISA KEV catalog; however, Microsoft has issued patched builds across all affected platform branches.
Privilege escalation via heap-based buffer overflow in the Windows Desktop Window Manager (DWM) Core Library affects a broad range of Windows client and server editions spanning from Windows 10 1607 through Windows 11 26H1 and multiple Windows Server releases. An authenticated local attacker can exploit the overflow to gain full system-level privileges, achieving high confidentiality, integrity, and availability impact on the compromised host. No public exploit has been identified at time of analysis, and no active exploitation has been confirmed by CISA KEV, but the vendor has released patches addressing the affected builds.
Remote code execution in Windows Deployment Services (WDS) allows an unauthenticated network attacker to trigger a use-after-free (CWE-416) and run arbitrary code on the affected server. The flaw spans virtually every supported Windows Server release (2012 through 2025) plus Windows 10 clients running the WDS role, and carries a critical CVSS 9.8 (AV:N/AC:L/PR:N/UI:N). Microsoft has released patches; there is no public exploit identified at time of analysis and no CISA KEV listing, so exploitation is currently theoretical but the low-complexity, no-auth network vector makes this a high patch priority.
Local code execution via heap-based buffer overflow in Windows GDI+ (Graphics Device Interface Plus) affects a wide range of Windows desktop and server editions from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Any locally authenticated low-privilege user can trigger the overflow, gaining full control over confidentiality, integrity, and availability on the affected host. No public exploit code has been identified at time of analysis, and the vulnerability does not appear in the CISA KEV catalog, but Microsoft has released patches across all affected version branches.
Remote code execution via double free (CWE-415) in the Windows Secure Socket Tunneling Protocol (SSTP) service enables a network-adjacent, unauthenticated attacker to corrupt heap memory and execute arbitrary code. The vulnerability spans virtually every supported Windows Server and Windows 10/11 release, from Server 2012 through Server 2025 and Windows 11 26H1, making the remediation footprint extremely broad. No public exploit code or CISA KEV listing has been identified at time of analysis; however, the CVSS AC:H rating indicates exploitation requires specific race or protocol conditions rather than a trivial spray-and-pray approach.
Privilege escalation via heap-based buffer overflow in Windows Win32K (win32k.sys) allows a low-privileged local user to achieve full SYSTEM-level control across a broad range of Windows and Windows Server releases. The vulnerability spans Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025, making the attack surface effectively ubiquitous across enterprise environments. No public exploit identified at time of analysis, but vendor-released patches are available via the Microsoft Security Response Center.
Privilege escalation through an out-of-bounds read in the Windows NTFS kernel driver (ntfs.sys) affects every major Windows desktop and server release from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. A locally authenticated standard user can trigger the memory read flaw to gain SYSTEM-level privileges, yielding full confidentiality, integrity, and availability impact. No public exploit has been identified at time of analysis and the vulnerability is not listed in the CISA KEV catalog, but the low attack complexity, absence of required user interaction, and near-universal Windows deployment footprint make this a high-priority patch cycle item.
Remote code execution in the Windows DNS component allows an unauthenticated network attacker to run arbitrary code by triggering a stack-based buffer overflow (CWE-121). The flaw affects a broad range of Microsoft platforms from Windows 10 1607/1809 through Windows Server 2012 to Server 2025, including Server Core installations, and carries a CVSS 9.8 rating with no required privileges or user interaction. Microsoft has shipped fixes; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Privilege escalation via stack-based buffer overflow in the Windows Win32K kernel-mode subsystem enables a locally authenticated low-privileged user to gain SYSTEM-level access. Nineteen distinct Windows releases are confirmed affected, spanning Windows 10 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit code or CISA KEV listing has been identified at time of analysis, though Win32K has historically been a favored target of APT actors and commodity malware for post-exploitation privilege escalation.
Privilege escalation via out-of-bounds read in the Windows Win32K kernel graphics subsystem affects every supported and extended-support Windows client and server release, from Windows Server 2012 through Windows 11 26H1. Any locally authenticated standard user - requiring no elevated permissions or user interaction - can exploit CWE-125 in win32k.sys to obtain SYSTEM-level privileges. No public exploit code or CISA KEV listing has been identified at time of analysis, though the breadth of affected builds across the Microsoft fleet makes this a broad patching priority regardless of active exploitation signals.
Stack-based buffer overflow in Microsoft's Remote Desktop Client (mstsc.exe) enables remote code execution on unpatched Windows 10 1607 and Windows Server 2012/2016 systems. The CVSS vector (AV:N/AC:L/PR:N/UI:R) confirms the attack is network-delivered and requires no attacker privileges, but demands that a victim actively connect to an attacker-controlled RDP server - a meaningful but achievable social-engineering hurdle. Microsoft has released patches for all affected version branches; no public exploit identified at time of analysis.
Unauthenticated code execution in Windows DHCP Server allows an attacker positioned on an adjacent network segment to trigger a heap-based buffer overflow and achieve full system compromise. The vulnerability spans a wide range of Microsoft server and desktop platforms, from Windows Server 2012 through Windows Server 2025 and select Windows 10 builds, making it broadly relevant in Windows-centric enterprise environments. No public exploit code or CISA KEV listing has been identified at time of analysis, but the low-complexity, zero-interaction exploitation profile and vendor-confirmed patch availability make this a high-priority patching candidate for any organization running Windows DHCP Server.
Remote code execution is possible in Windows GDI+ across a broad range of Windows 10, 11, and Windows Server versions due to an integer overflow that leads to a heap-based buffer overflow (CWE-122). Network-based attackers with no privileges required can exploit this by delivering a crafted image or graphic file, requiring only that the victim open or preview the content. A vendor patch is available via MSRC; no public exploit code or CISA KEV listing has been identified at time of analysis.
Remote code execution in Windows DNS Server allows unauthenticated network attackers to exploit a race condition in concurrent DNS request processing to achieve full system compromise. The flaw spans Windows Server 2016 through 2025 and select Windows 10 builds, targeting the server-side DNS component; the 'Authentication Bypass' tag indicates the race window undermines an internal access control that would otherwise gate execution. Microsoft has released build-specific patches; no public exploit code or CISA KEV listing has been identified at time of analysis, though the network vector and full C/I/A impact make this a high-priority patching target for any organization running the Windows DNS Server role.
Remote code execution in Windows Routing and Remote Access Service (RRAS) allows unauthenticated network attackers to fully compromise affected hosts across an exceptionally broad range of Windows versions, from Server 2012 through Server 2025 and Windows 10/11. The root cause is a use-after-free memory corruption flaw (CWE-416) combined with an authentication bypass, enabling an attacker to execute arbitrary code without credentials. No public exploit code or CISA KEV listing has been identified at time of analysis, but the network-exposed attack surface, zero-authentication barrier, and breadth of affected platforms make this a high-priority patching target. A vendor-released patch is available via Microsoft MSRC.
Remote code execution in Microsoft Active Directory Certificate Services (AD CS) is achievable by low-privileged authenticated network attackers through a use-after-free (CWE-416) memory corruption flaw. All supported Windows Server versions from 2012 through 2025 are affected, along with Windows 10 versions 1607 and 1809. Microsoft has released patches via the MSRC update guide; no public exploit code or CISA KEV listing has been identified at time of analysis, though the low attack complexity and broad version coverage make this a high-priority remediation item.
Heap-based buffer overflow in the Windows Reliable Multicast Transport (RMCAST) kernel driver enables unauthenticated adjacent-network attackers to execute arbitrary code at kernel privilege level across a broad range of Windows desktop and server releases, from Server 2012 through Windows 11 version 26H1. The CVSS 8.8 rating reflects the zero-credential, zero-interaction exploitation path, constrained only by the requirement for network adjacency. No public exploit has been identified at time of analysis, and the vulnerability does not currently appear in the CISA KEV catalog; a vendor-released patch with confirmed fixed build numbers is available via Microsoft MSRC.
Local privilege escalation in Windows DHCP Server affects all major Windows Server releases from 2012 through 2025, as well as Windows 10 versions 1607 and 1809. An authorized low-privileged local attacker can exploit a symlink-following flaw (CWE-59) during DHCP Server file access operations to gain full control (C:H/I:H/A:H) over the affected system. No public exploit code or CISA KEV listing has been identified at time of analysis; Microsoft has released patches for all affected versions.
Local privilege escalation in the Windows DHCP Server service allows a low-privileged authenticated attacker to fully compromise system confidentiality, integrity, and availability through improper symbolic link handling (CWE-59). Affected deployments span Windows Server 2012 through 2025 and Windows 10 1607/1809. No public exploit code or CISA KEV listing has been identified at time of analysis, but the low attack complexity and broad version coverage across enterprise server infrastructure make this a credible post-access escalation path.
Privilege escalation in Windows DHCP Server exploits improper symbolic link resolution (CWE-59), allowing an authenticated local attacker with low privileges to fully compromise system confidentiality, integrity, and availability. The flaw affects Windows Server 2012 through 2025 and select Windows 10 builds where the DHCP Server role is active. No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity (AC:L) and no user interaction requirement make this a credible post-compromise escalation path.
Remote code execution in Windows SMB Server is achievable by a network-authenticated attacker exploiting a heap-based buffer overflow (CWE-122). The CVSS vector (AV:N/AC:L/PR:L/UI:N) confirms that low-privileged, network-accessible credentials are sufficient - no user interaction or elevated rights are required. The vulnerability affects a broad range of Windows client and server releases from Windows Server 2012 through Windows 11 26H2 and Windows Server 2025, with vendor patches now available. No public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation via heap-based buffer overflow in the Windows NTFS driver enables a local authenticated attacker with standard user rights to gain SYSTEM-level control on affected Windows endpoints and servers. The vulnerability spans a wide swath of the Windows ecosystem, from Windows Server 2012 through Windows Server 2025 and Windows 11 26H1, making the aggregate exposure significant. No public exploit code or CISA KEV listing is confirmed at time of analysis, but the low attack complexity (AC:L) and absence of user interaction (UI:N) mean that a working exploit would be highly reliable once developed.
Remote code execution in Windows LDAP (Lightweight Directory Access Protocol) affects a broad swath of Microsoft Windows desktop and server editions, from Windows 10 through Windows 11 and Windows Server 2012 through 2025. A use-after-free memory corruption flaw (CWE-416) in the LDAP client implementation allows a network-accessible, unauthenticated attacker to achieve arbitrary code execution with high confidentiality, integrity, and availability impact, contingent on user interaction - most likely the victim system initiating or being induced to make an LDAP connection to an attacker-controlled server. No public exploit identified at time of analysis and no CISA KEV listing, but the CVSS score of 8.8 and the breadth of affected Windows versions make this a high-priority patching target.
Remote code execution via a stack-based buffer overflow in the Windows kernel TCP/IP driver (CWE-121) affects all major Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. An unauthenticated remote attacker who can deliver crafted TCP/IP packets to an exposed system may gain kernel-level code execution without requiring user interaction. No public exploit or CISA KEV listing has been identified at time of analysis, though the kernel-mode attack surface and network-accessible delivery make this a high-priority patching target; Microsoft has released patches for all affected platforms.
Remote code execution is achievable in Windows SMB Server via a heap-based buffer overflow exploitable by a low-privileged, authenticated network attacker. The vulnerability (CWE-122) spans a wide range of Microsoft Windows client and server releases from Windows Server 2012 through Windows Server 2025 and Windows 10/11. Microsoft has released patches via the MSRC update guide; no KEV listing or public exploit code is present in the available intelligence at time of analysis.
Remote code execution via use-after-free in the Windows DNS service allows an authenticated, network-based attacker to execute arbitrary code on affected Windows Server and Windows 10 systems. The vulnerability spans a wide range of Windows Server versions from 2012 through 2025 and is exploitable over the network, though high attack complexity (AC:H) limits opportunistic exploitation. No public exploit identified at time of analysis; vendor-released patches with specific build targets are available via the Microsoft Security Response Center.
Heap-based buffer overflow in the Windows LDAP client implementation enables remote code execution against any Windows system that initiates an LDAP connection to an attacker-controlled server. The vulnerability spans an exceptionally wide set of affected Windows versions - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making the potential attack surface very large. Microsoft has released patches via the standard update channel; no public exploit code or CISA KEV listing has been identified at time of analysis, though the PR:N/UI:R vector and high CIAlll impact make this a credible priority for patching.
Remote code execution in Microsoft's Local Security Authority Server (lsasrv) affects virtually every supported Windows client and server release, from Windows Server 2012 through Server 2025 and Windows 10 through Windows 11 26H1. The heap-based buffer overflow (CWE-122) is reachable over the network by any low-privileged authenticated attacker - aligning with the CVSS PR:L designation and the description's 'authorized attacker' language - enabling full system compromise. No public exploit identified at time of analysis; vendor patch is available via MSRC.
Remote information disclosure in the Windows SMB Client affects every actively-supported Windows 10, Windows 11, and Windows Server release from 2016 through 2025, exposing potentially sensitive memory contents to unauthenticated network attackers via a CWE-125 out-of-bounds read (CVSS 7.5). The flaw resides in the SMB client stack and is triggered when a vulnerable Windows host processes a crafted response from an attacker-controlled SMB server, requiring no authentication or user interaction from the attacker's perspective. No public exploit has been identified at time of analysis and CISA has not added this to the Known Exploited Vulnerabilities catalog; however, the extraordinary breadth of affected products and the vendor-confirmed patch make this a standard patch-cycle priority.
Remote code execution via heap-based buffer overflow in the Windows RPC Runtime affects every supported Windows desktop and server release from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. An unauthenticated remote attacker who can reach an exposed RPC endpoint can corrupt heap memory and achieve arbitrary code execution, yielding full confidentiality, integrity, and availability compromise of the target system. No public exploit code or CISA KEV listing has been identified at time of analysis; however, the breadth of affected versions, combined with network accessibility and no authentication requirement, elevates operational priority for internet-facing and laterally-reachable Windows infrastructure.
Privilege escalation via use-after-free in the Windows DNS service exposes a broad range of Windows Server and Windows 10 systems to network-based attacks by unauthenticated adversaries. The race condition root cause (CWE-362) forces high attack complexity, as an attacker must win a precise timing window to corrupt freed memory and gain elevated privileges, reflected in the CVSS 8.1 score. No active exploitation has been confirmed by CISA KEV and no public exploit code has been identified at time of analysis, though the full C/I/A impact across thirteen distinct product versions from Windows Server 2012 through Server 2025 warrants prompt patching.
Privilege escalation in Windows License Manager exposes a critical authenticated-but-low-privileged local attacker path to full SYSTEM-level control across a wide range of Windows client and server builds. The root cause (CWE-306) is a missing authentication gate on a privileged License Manager function - an authorized standard user can invoke it without satisfying the elevated-privilege check that should protect it. Microsoft has released patches covering Windows 10 (1607 through 22H2), Windows 11 (23H2 through 26H1), and Windows Server 2016 through 2025; no public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation in Windows DHCP Server allows a locally authenticated attacker to gain SYSTEM-level privileges by exploiting a symlink/link-following flaw (CWE-59). Affected products span Windows Server 2012 through Windows Server 2025 and Windows 10 (1607/1809), all receiving patches in this advisory cycle. No public exploit code or CISA KEV listing is identified at time of analysis, but the low attack complexity and broad version coverage make this a meaningful patching priority for any Windows Server environment running the DHCP Server role.
Privilege escalation in the Windows Graphics Kernel exposes a use-after-free condition that allows a low-privileged local user to achieve SYSTEM-level code execution. Affected products span Windows 10, Windows 11, and Windows Server 2016 through 2025 across 15 distinct version ranges, making the blast radius extremely broad. No public exploit has been identified at time of analysis, and Microsoft has released patches addressing all affected builds via the MSRC advisory.
Privilege escalation in Windows Kerberos via a use-after-free memory corruption flaw allows a locally authenticated attacker to gain SYSTEM-level access on affected Windows systems. The vulnerability spans nearly all current Microsoft Windows client and server releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit identified at time of analysis; Microsoft has released patches addressing all affected builds.
Privilege escalation via heap-based buffer overflow in Windows Shell affects a broad range of Microsoft Windows desktop and server releases, from Windows 10 Version 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. A locally authenticated, low-privileged attacker can trigger heap corruption within the Windows Shell component to achieve full SYSTEM-level code execution with no user interaction required and low attack complexity. Microsoft has released patches across all affected version branches; no public exploit code or CISA KEV listing has been identified at time of analysis.
Stack-based buffer overflow in Windows Installer enables local privilege escalation across a wide range of Microsoft Windows desktop and server editions. An authenticated low-privileged local user can exploit the flaw (CWE-121) to achieve SYSTEM-level code execution, with full confidentiality, integrity, and availability impact on the compromised host. No public exploit code or CISA KEV listing has been identified at time of analysis; however, the low attack complexity and broad affected surface spanning Windows 10 through Windows 11 and Windows Server 2012 through 2025 make this a high-priority patching target.
Local privilege escalation in Windows DHCP Server exploits improper symbolic link resolution (CWE-59), allowing a low-privileged authenticated local user to gain full SYSTEM-level access across a wide range of Windows Server versions from 2012 through 2025. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires no interaction and only low-level local access, making this a practical post-exploitation escalation tool once an attacker has any foothold on a DHCP Server host. No public exploit code or CISA KEV listing has been identified at time of analysis, though a vendor patch is available.
Privilege escalation via heap-based buffer overflow in the Windows Remote Access Connection Manager (RASMAN) service affects virtually every current and legacy Windows release from Server 2012 through Windows 11 26H1 and Server 2025. A low-privileged local attacker can overwrite heap memory to gain SYSTEM-level code execution on the target host without any user interaction. No public exploit code or active exploitation has been identified at time of analysis; however, Microsoft has confirmed and patched the vulnerability through the MSRC update guide.
Stack-based buffer overflow in the Windows DHCP Client service enables a low-privileged local attacker to elevate privileges to SYSTEM level with full confidentiality, integrity, and availability impact. The flaw spans virtually every supported Windows desktop and server release, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, making the attack surface extremely broad in any environment where interactive or local logon access is possible. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; Microsoft has released patches via the standard update guide.
Heap-based buffer overflow in the Windows Kerberos authentication subsystem enables a locally authenticated attacker to elevate privileges to SYSTEM-level access across a broad range of Windows client and server releases. The CVSS 3.1 score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects full confidentiality, integrity, and availability impact upon successful exploitation with low attack complexity once local access is established. Microsoft has released patches per MSRC advisory CVE-2026-62754; no public exploit code has been identified and the vulnerability has not appeared in the CISA KEV catalog at time of analysis.
Heap-based buffer overflow in Windows HTTP.sys enables a locally authenticated, low-privileged attacker to escalate privileges on the affected host, likely achieving SYSTEM-level control. The flaw spans a wide range of Windows versions from Server 2012 through Windows 11 26H1, representing substantial enterprise exposure despite requiring initial local access. No public exploit has been identified at time of analysis, and Microsoft has released patched builds across all affected product lines via the MSRC advisory.
Privilege escalation via heap-based buffer overflow in Windows Kerberos affects the full breadth of supported Windows versions, from Server 2012 through Windows 11 26H1 and Server 2025. An attacker holding a valid low-privilege local account can trigger a heap corruption condition in the Kerberos implementation to achieve complete confidentiality, integrity, and availability impact on the compromised host - effectively gaining SYSTEM-level control. Vendor-released patches with exact fixed build numbers are available via Microsoft MSRC; no public exploit code or CISA KEV-confirmed active exploitation has been identified at time of analysis.
Privilege escalation in Windows Telephony Service across a wide range of Microsoft Windows desktop and server editions enables a low-privileged local attacker to achieve SYSTEM-level control by exploiting a race condition in shared resource handling (CWE-362). The vulnerability spans Windows 10 through Windows 11 Version 25H2 and Windows Server 2012 through Server 2025, creating substantial attack surface despite the local access requirement. No public exploit identified at time of analysis; Microsoft has released patches resolving the flaw via the MSRC advisory for CVE-2026-62748.
Windows Device Association Service contains a heap-based buffer overflow (CWE-122) that enables local privilege escalation on a broad swath of Windows client and server editions, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. An attacker holding a standard low-privileged local account can exploit this flaw without any user interaction, achieving high impact across confidentiality, integrity, and availability - consistent with full SYSTEM-level compromise. No public exploit has been identified at time of analysis, and no CISA KEV listing is present, but Microsoft has released patches and the low attack complexity (AC:L) makes this a reliable privilege escalation primitive once local foothold is established.
Privilege escalation via integer underflow in Windows HTTP.sys (the kernel-mode HTTP protocol stack) allows an authenticated local attacker to gain SYSTEM-level access on a broad range of Windows versions from Server 2012 through Server 2025 and Windows 10/11. The flaw is rooted in an integer wraparound condition (tagged by the reporter as a heap overflow mechanism) in the HTTP.sys kernel driver, enabling full compromise of confidentiality, integrity, and availability on the affected host. No public exploit has been identified at time of analysis, and Microsoft has released patches covering all affected version branches.
Privilege escalation via heap-based buffer overflow in Windows HTTP.sys (a kernel-mode HTTP listener driver) allows a locally authenticated low-privilege attacker to gain SYSTEM-level access across a broad range of Windows client and server releases. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires only local authenticated access with no user interaction and low attack complexity, making this a practical post-compromise escalation primitive. No public exploit or CISA KEV listing has been identified at time of analysis, and Microsoft has released patches for all affected product lines.
Local privilege escalation via race condition in Windows Telephony Service affects a sweeping range of Microsoft Windows client and server editions, from Server 2012 through Windows 11 26H1. An authorized local attacker with low-privileged access can exploit improper synchronization over a shared resource to elevate to higher privilege levels, achieving full confidentiality, integrity, and availability impact on the vulnerable system. No public exploit identified at time of analysis, and the vulnerability is not listed in CISA KEV; however, the breadth of affected Windows versions across enterprise environments makes unpatched exposure a meaningful operational risk.
Privilege escalation via an out-of-bounds read in the Windows Win32K kernel subsystem allows a local authenticated attacker to gain SYSTEM-level access across a broad range of Windows client and server versions. The CVSS 7.8 vector (AV:L/AC:L/PR:L/UI:N) reflects a low-complexity local attack with full C/I/A impact, meaning any low-privileged user or compromised process can exploit this to completely own the host. No public exploit code or CISA KEV listing has been identified at time of analysis; however, the 19 affected Windows SKUs spanning Server 2012 through Windows 11 26H1 make this a high-priority patch cycle item - particularly for Remote Desktop and terminal server deployments where untrusted local sessions are common.
Privilege escalation via heap-based buffer overflow in Windows Telephony Service (TAPI) affects virtually all supported Windows client and server builds, from legacy Server 2012 through current Windows 11 25H2 and Server 2025. An authorized local user with standard low-privilege credentials can trigger the heap overflow in tapisrv to achieve SYSTEM-level access. No public exploit or CISA KEV listing exists at time of analysis; vendor-released patches are available across all 19 affected product SKUs per MSRC.
Privilege escalation in Windows Telephony Service affects virtually every supported Windows desktop and server release, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. An authorized local attacker exploits an improper synchronization flaw (CWE-362) in shared resource access within the telephony subsystem to elevate privileges to SYSTEM level, achieving full confidentiality, integrity, and availability impact. Microsoft has released patched builds; no public exploit code exists and the vulnerability is not listed in CISA KEV at time of analysis.
Privilege escalation via a time-of-check time-of-use (TOCTOU) race condition in the Windows Common Log File System (CLFS) Driver affects a broad range of Windows client and server versions from Server 2012 through Windows 11 25H2/26H1. A low-privileged local attacker can exploit the race window to gain SYSTEM-level access, achieving full confidentiality, integrity, and availability impact on the host. No public exploit code or CISA KEV listing is identified at time of analysis; vendor patch is available from Microsoft via the MSRC update guide.
Privilege escalation in Windows Telephony Service (TAPI) via a use-after-free memory corruption flaw enables a locally authenticated, low-privileged attacker to gain SYSTEM-level access on affected hosts. The vulnerability spans a broad range of Microsoft Windows versions from Server 2012 through Windows 11 26H1 and multiple Windows Server 2022/2025 builds, confirmed by Microsoft MSRC and catalogued under EUVD-2026-56640. No public exploit code or active exploitation has been identified at time of analysis, though the pervasive Windows deployment footprint makes patch deployment a meaningful operational priority.
Local privilege escalation via use-after-free (CWE-416) in the Windows Telephony Service (TAPI) affects every supported Windows desktop and server release, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. An authorized low-privileged local attacker can trigger improper memory lifecycle management in the privileged tapisrv process, achieving full confidentiality, integrity, and availability impact on the compromised system. No public exploit code has been identified at time of analysis and high attack complexity constrains opportunistic mass exploitation, but vendor-released patches are available and should be prioritized given the ubiquitous deployment footprint.
Privilege escalation via use-after-free memory corruption in the Windows Telephony Service (TAPI) affects virtually every supported Windows desktop and server release, from Windows 10 1607 through Windows 11 25H2 and Windows Server 2012 through 2025. An authorized local attacker with low-privilege credentials can exploit a race condition to corrupt freed memory within the telephony service process, achieving full compromise of confidentiality, integrity, and availability. No active exploitation is confirmed by CISA KEV, and no public exploit has been identified at time of analysis; Microsoft has released patched builds for all affected platforms.
Local privilege escalation in the Windows Telephony Service (TAPI) allows an already-authenticated, low-privileged attacker to gain full system-level control via a use-after-free memory corruption flaw. The vulnerability spans a wide range of Windows versions from Server 2012 through Windows 11 26H1 and Server 2025. No public exploit code or CISA KEV listing has been identified at time of analysis, but the breadth of affected Windows versions and the availability of a vendor patch make patching urgent in environments where Telephony Service is active.
Local privilege escalation in Windows User-Mode Power Service (UMPS) affects a broad swath of Windows 10, Windows 11, and Windows Server releases from Server 2012 through Server 2025. An authenticated low-privileged local user can exploit insufficient access control granularity (CWE-1220) in UMPS to elevate privileges, achieving full confidentiality, integrity, and availability impact consistent with SYSTEM-level access. No public exploit identified at time of analysis, but Microsoft has released patches across all affected build lines, making this a high-priority patching item for organizations running any of the 19 affected Windows configurations identified in EUVD-2026-56638.
Privilege escalation via heap-based buffer overflow in Windows Message Queuing (MSMQ) allows a locally authenticated attacker with low privileges to gain SYSTEM-level access across a wide range of Microsoft Windows desktop and server editions. The flaw, classified as CWE-122, spans from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across multiple feature update channels, making it broadly relevant in enterprise environments where MSMQ is deployed. Patch is available from Microsoft via the MSRC update guide; no public exploit or CISA KEV listing has been identified at the time of analysis.
Privilege escalation in Windows Message Queuing (MSMQ) allows a locally authenticated low-privileged attacker to achieve full system compromise via a heap-based buffer overflow. Confirmed affected across a broad range of Microsoft Windows desktop and server platforms, from Windows Server 2012 through Windows Server 2025 and Windows 10/11 all versions. No public exploit identified at time of analysis and no CISA KEV listing; however, the low attack complexity combined with universal Windows platform coverage makes this a meaningful post-exploitation or insider-threat vector.
Privilege escalation in Windows Win32K via a heap-based buffer overflow enables a locally authenticated attacker to gain SYSTEM-level access across a broad range of Microsoft operating systems from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. The flaw (CWE-122) requires only standard user privileges and no user interaction, making post-compromise escalation straightforward for any attacker who has already obtained local access. No public exploit has been identified at time of analysis, but the Microsoft Security Response Center has issued a patch and the wide affected product surface warrants urgent remediation.
Privilege escalation via use-after-free in the Windows Win32K kernel subsystem affects a broad spectrum of Windows client and server releases, from Windows Server 2012 through Windows 11 25H2. An authenticated local attacker can exploit this flaw with low complexity and no user interaction to achieve full SYSTEM-level privileges (C:H/I:H/A:H per CVSS). No public exploit has been identified at time of analysis, but the low-complexity local exploitation profile - combined with the near-universal deployment footprint of Windows - makes this a high-priority patch for both endpoint and server environments.
Heap-based buffer overflow in the Windows Device Association Service allows a locally authenticated, low-privileged attacker to escalate to SYSTEM-level privileges across a broad range of Windows desktop and server releases. Affected versions span Windows 10 1607 through Windows 11 25H2 and Windows Server 2016 through 2025, making this a high-coverage local privilege escalation. No public exploit identified at time of analysis, but vendor patches are available and should be applied immediately given the low attack complexity.
Privilege escalation in Windows Modern Device Management (MDM) allows a low-privileged local attacker to gain SYSTEM-level access across a broad swath of Windows 10, Windows 11, and Windows Server editions. The root cause is CWE-416 (Use After Free), a memory-safety flaw in the MDM component where a freed memory object is dereferenced, enabling controlled memory corruption that can redirect execution to attacker-supplied code. Microsoft has released patches for all affected versions; no public exploit code or CISA KEV entry is identified at time of analysis.
Privilege escalation via use-after-free in the Windows Telephony Service (TAPI) allows a locally authenticated, low-privileged attacker to gain SYSTEM-level access across a broad range of Windows desktop and server releases. The vulnerability affects Windows 10, Windows 11 (all current feature releases), and Windows Server 2012 through 2025, representing near-universal coverage of supported and legacy Microsoft platforms. No public exploit identified at time of analysis; vendor-released patches are available via Microsoft Update.
Heap-based buffer overflow in the Windows Advanced Local Procedure Call (ALPC) subsystem enables a low-privileged local attacker to elevate privileges to SYSTEM level across a broad range of Windows 10 and Windows Server releases. The flaw (CWE-122) resides in ALPC's message-handling internals, where crafted IPC payloads can corrupt heap memory in a way that redirects execution. No public exploit has been identified at time of analysis, and Microsoft has released patches covering all affected builds.
Privilege escalation in the Windows Telephony Service (TapiSrv) allows an authenticated local attacker with low-privilege access to gain SYSTEM-level privileges by exploiting a race condition in how the service handles concurrent access to shared resources. Affected products span Windows 10 (multiple feature releases), Windows 11, and Windows Server 2012 through 2025, representing a broad swath of the Microsoft ecosystem. No public exploit identified at time of analysis and the CVE is not listed in CISA KEV, but a vendor patch is available via the Microsoft Security Response Center.
Privilege escalation via heap-based buffer overflow in Windows Installer (msiexec) allows a low-privileged local user to gain full system control. Affected product is Microsoft Windows across versions that ship with the vulnerable Windows Installer component; exact version scope is defined by the MSRC advisory. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in CISA's KEV catalog, though its low-complexity, no-user-interaction profile makes it a realistic post-foothold escalation tool.
Stack-based buffer overflow in the Windows Installer component (msiexec) enables local privilege escalation to SYSTEM on affected Windows systems. An attacker holding any standard local user account can trigger the overflow with low complexity and no user interaction required, achieving full compromise of confidentiality, integrity, and availability. No public exploit has been identified at time of analysis, and this vulnerability does not appear in the CISA KEV catalog based on available data.
Privilege escalation in Windows Installer exposes all supported Windows systems to SYSTEM-level compromise by any low-privileged local user. The heap-based buffer overflow (CWE-122) in the Installer service requires only an authenticated local session - no user interaction, no elevated credentials, and low attack complexity per CVSS:3.1/AV:L/AC:L/PR:L/UI:N. No public exploit code or active exploitation via CISA KEV has been identified at time of analysis, but the ubiquity of Windows Installer and the straightforward exploitation conditions make this a meaningful post-compromise escalation primitive.
Local privilege escalation in Windows Installer (msiexec) stems from a stack-based buffer overflow (CWE-121) exploitable by any authenticated local user. An attacker with low-privilege access on an affected Windows system can trigger the overflow to gain full SYSTEM-level control, achieving complete confidentiality, integrity, and availability compromise of the local host. No public exploit code or CISA KEV listing has been identified at time of analysis, though the low attack complexity and broad Windows deployment footprint make this a meaningful priority for patch management.
Privilege escalation via heap-based buffer overflow in the Windows DNS component affects Windows 10, Windows 11, and Windows Server editions spanning Server 2012 through Server 2025. An authorized local attacker holding low-privilege credentials can trigger the overflow to achieve full system compromise (C:H/I:H/A:H). No public exploit code or active exploitation has been identified at time of analysis; a vendor-released patch is available through the Microsoft Security Response Center advisory.
Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows a low-privileged local attacker to gain full system control through a use-after-free memory corruption condition. The CVSS vector (AV:L/AC:H/PR:L) confirms the attack is constrained to local access with high complexity, meaning exploitation is non-trivial and likely requires precise timing or race condition triggering. No public exploit code and no CISA KEV listing have been identified at time of analysis, though the tags indicate Denial of Service is also a potential impact alongside privilege escalation.
Heap-based buffer overflow in the Windows DNS component enables a locally authenticated low-privileged attacker to escalate privileges to SYSTEM across a broad range of Windows releases, from Windows 10 version 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. The CVSS 3.1 score of 7.8 reflects low attack complexity and full confidentiality, integrity, and availability impact once local access is obtained, with no user interaction required. No public exploit code or active exploitation has been identified at time of analysis, and a vendor-released patch is available via the Microsoft Security Response Center.
Privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) allows a locally authenticated attacker to gain SYSTEM-level privileges through a use-after-free memory corruption flaw. Affected systems include Windows installations where the WinSock subsystem is active, which covers virtually all Windows deployments. No public exploit code or active exploitation has been identified at time of analysis, though the high-complexity exploitation bar somewhat limits immediate opportunistic risk.
Remote unauthenticated denial of service in Windows Network File System (NFS) allows a network attacker to crash the NFS service by sending a malformed packet that triggers a buffer over-read (CWE-126). Affected systems span Windows Server 2012 through 2025 and Windows 10 versions 1607 and 1809. No public exploit code has been identified at time of analysis, and CISA has not added this to the Known Exploited Vulnerabilities catalog; Microsoft has released patches across all affected build lines.
Local privilege escalation in Windows Key Guard exposes any authenticated local user to full system compromise via a heap-based buffer overflow (CWE-122). The CVSS vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms low-complexity exploitation requiring only a standard local user session - no elevated rights, no user interaction. This class of vulnerability is a staple post-initial-access technique in ransomware and APT intrusion chains. No public exploit identified at time of analysis, and no CISA KEV listing is present in the provided data.
Local privilege escalation in the Windows Storage Port Driver (storport.sys) exploits a heap-based buffer overflow to allow an authorized low-privilege user to gain SYSTEM-level control of an affected Windows host. The CVSS 7.8 vector (AV:L/AC:L/PR:L/UI:N) confirms the attack requires only an existing low-privilege local session - no additional permissions or user interaction are needed - with full confidentiality, integrity, and availability impact upon success. No public exploit has been identified at time of analysis, and no active exploitation has been confirmed in CISA KEV.
Privilege escalation in Windows DNS affects every major Windows 10, 11, and Windows Server release from 2012 through 2025, allowing a locally authenticated low-privileged attacker to achieve full system compromise through a heap-based buffer overflow triggered by integer wraparound. The CVSS base score of 7.8 reflects total C/I/A impact and low attack complexity once local access exists. No public exploit code has been identified at time of analysis, and EPSS at 0.26% (17th percentile) confirms low current exploitation probability - though SSVC rates technical impact as total, underscoring that successful exploitation yields complete system control.
Heap-based buffer overflow in the Windows iSCSI Target Service enables an unauthenticated remote attacker to trigger denial of service across a wide range of Windows Server versions from 2012 through 2025. The vendor-assigned CVSS vector of C:H/I:H/A:H suggests potential impact beyond the description's stated denial-of-service scope, warranting attention to whether memory corruption could extend to confidentiality or integrity compromise. No public exploit or active exploitation has been identified at time of analysis; however, SSVC designates the attack as automatable, elevating the urgency for organizations running exposed iSCSI targets to apply available patches.
Remote code execution in the Windows iSCSI Target Service allows an unauthenticated network attacker to run arbitrary code by exploiting a heap-based buffer overflow (CWE-122) in the service's network-facing request handling. The flaw carries a critical 9.8 CVSS rating and is remotely reachable with no privileges or user interaction, meaning any exposed iSCSI Target endpoint can be compromised end-to-end. No public exploit identified at time of analysis, and the vulnerability is not listed in CISA KEV.
Privilege escalation in Windows Message Queuing (MSMQ) allows a locally authenticated attacker to gain SYSTEM-level privileges via a heap-based buffer overflow. Affected systems are those running Windows with the Message Queuing service enabled. The CVSS score of 7.8 (High) reflects high confidentiality, integrity, and availability impact, though exploitation requires existing local access. No public exploit or CISA KEV listing has been identified at time of analysis.
Remote code execution via use-after-free memory corruption in Windows DNS enables unauthenticated network attackers to achieve full system compromise against exposed DNS servers. The CVSS:3.1 vector (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) confirms network-reachable, zero-privilege exploitation, though high attack complexity signals that reliable triggering requires precise memory state manipulation rather than simple packet delivery. No public exploit identified at time of analysis, and this CVE is not listed in the CISA KEV catalog.
Heap-based buffer overflow in the Windows Desktop Window Manager (dwm.exe) enables a locally authenticated low-privileged user to escalate to SYSTEM-level privileges. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires only existing local access with standard user credentials and no user interaction, making this a viable second-stage privilege escalation tool post-initial-compromise. No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity is a meaningful risk signal for defenders.
Privilege escalation in Windows Desktop Window Manager (DWM) allows a low-privileged local attacker to exploit a heap-based buffer overflow and obtain SYSTEM-level access. The vulnerability affects all modern Windows systems where DWM is running - its default state on any graphical Windows installation - and requires no user interaction once the attacker has local code execution. No public exploit identified at time of analysis and not listed in CISA KEV, though the low attack complexity (AC:L) meaningfully reduces the skill threshold for weaponization.
Privilege escalation in Windows Win32K via a use-after-free memory corruption flaw enables a locally authenticated standard user to gain SYSTEM-level access across a broad range of Microsoft Windows desktop and server releases. The vulnerability resides in the win32k.sys kernel-mode driver and carries a CVSS 7.8 score with low attack complexity and no user interaction required once local code execution is established. No public exploit has been identified at time of analysis and the vulnerability is not listed in CISA KEV, though vendor patch is available and Win32K LPE flaws are historically attractive as second-stage payloads in chained attack campaigns.
Local privilege escalation in Windows Installer (msiexec) enables an authenticated low-privileged user to trigger a heap-based buffer overflow, potentially achieving SYSTEM-level code execution across a broad range of Windows client and server platforms spanning over a decade of releases. Affected systems include Windows 10 through Windows 11 25H2 and Windows Server 2012 through Server 2025, making the exposure surface extensive across enterprise and consumer deployments. No public exploit identified at time of analysis and no active exploitation confirmed via CISA KEV; vendor-released patches are available through the Microsoft Security Response Center.
Windows iSCSI Target Service across multiple Windows Server and Windows 10 versions contains a null pointer dereference that enables an unauthenticated remote attacker to crash the service, resulting in denial of service. Affected systems span Windows Server 2016 through 2025 and Windows 10 versions 1607 and 1809, all below their respective patched build numbers. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in the CISA KEV catalog, though the low-complexity, unauthenticated network vector makes it straightforward to exploit once the target service is reachable.
Remote code execution via heap-based buffer overflow in the Windows iSCSI Target Service affects a broad range of Windows Server versions from Server 2012 through Server 2025, as well as Windows 10 (versions 1607 and 1809). An unauthenticated network attacker can send a malformed iSCSI protocol request to trigger CWE-122 heap corruption and achieve arbitrary code execution on the target host. No public exploit identified at time of analysis and no CISA KEV listing, though the CVSS score of 8.1 (AC:H) reflects real exploitation complexity; the full C:H/I:H/A:H impact triad makes this a credible priority for environments running the iSCSI Target role.
Privilege escalation via use-after-free in the Windows Win32K kernel subsystem affects Windows 10, Windows 11, and Windows Server releases from 2016 through 2025. An authorized local attacker with low-level authenticated access can exploit memory corruption in Win32K's kernel pool to elevate to SYSTEM-level privileges. CVSS rates this 7.0 with high attack complexity (AC:H); no CISA KEV listing or public proof-of-concept has been identified at time of analysis.
Privilege escalation via heap buffer overflow in the Windows Remote Access (RAS) API affects every major in-support Windows desktop and server release, from Server 2012 R2 through Windows 11 26H1 and Server 2025. An authenticated local attacker with low-privileged access can trigger a CWE-122 heap overflow to achieve full SYSTEM-level compromise with High confidentiality, integrity, and availability impact and no user interaction required. No public exploit code or active exploitation has been identified at time of analysis; Microsoft has released a patch across all affected build lines.
Privilege escalation in the Windows Backup Engine component affects a broad range of Microsoft Windows client and server releases, exploitable by a local authenticated user holding standard privileges. The vulnerability stems from a race condition (CWE-362) in how the Backup Engine manages shared resources under concurrent execution, creating a timing window that a low-privileged attacker can win to gain elevated - likely SYSTEM-level - access. No public exploit identified at time of analysis and the vulnerability is absent from the CISA KEV catalog; however, Microsoft has issued patched builds across all affected platform branches.
Privilege escalation via heap-based buffer overflow in the Windows Desktop Window Manager (DWM) Core Library affects a broad range of Windows client and server editions spanning from Windows 10 1607 through Windows 11 26H1 and multiple Windows Server releases. An authenticated local attacker can exploit the overflow to gain full system-level privileges, achieving high confidentiality, integrity, and availability impact on the compromised host. No public exploit has been identified at time of analysis, and no active exploitation has been confirmed by CISA KEV, but the vendor has released patches addressing the affected builds.
Remote code execution in Windows Deployment Services (WDS) allows an unauthenticated network attacker to trigger a use-after-free (CWE-416) and run arbitrary code on the affected server. The flaw spans virtually every supported Windows Server release (2012 through 2025) plus Windows 10 clients running the WDS role, and carries a critical CVSS 9.8 (AV:N/AC:L/PR:N/UI:N). Microsoft has released patches; there is no public exploit identified at time of analysis and no CISA KEV listing, so exploitation is currently theoretical but the low-complexity, no-auth network vector makes this a high patch priority.
Local code execution via heap-based buffer overflow in Windows GDI+ (Graphics Device Interface Plus) affects a wide range of Windows desktop and server editions from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. Any locally authenticated low-privilege user can trigger the overflow, gaining full control over confidentiality, integrity, and availability on the affected host. No public exploit code has been identified at time of analysis, and the vulnerability does not appear in the CISA KEV catalog, but Microsoft has released patches across all affected version branches.
Remote code execution via double free (CWE-415) in the Windows Secure Socket Tunneling Protocol (SSTP) service enables a network-adjacent, unauthenticated attacker to corrupt heap memory and execute arbitrary code. The vulnerability spans virtually every supported Windows Server and Windows 10/11 release, from Server 2012 through Server 2025 and Windows 11 26H1, making the remediation footprint extremely broad. No public exploit code or CISA KEV listing has been identified at time of analysis; however, the CVSS AC:H rating indicates exploitation requires specific race or protocol conditions rather than a trivial spray-and-pray approach.
Privilege escalation via heap-based buffer overflow in Windows Win32K (win32k.sys) allows a low-privileged local user to achieve full SYSTEM-level control across a broad range of Windows and Windows Server releases. The vulnerability spans Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025, making the attack surface effectively ubiquitous across enterprise environments. No public exploit identified at time of analysis, but vendor-released patches are available via the Microsoft Security Response Center.
Privilege escalation through an out-of-bounds read in the Windows NTFS kernel driver (ntfs.sys) affects every major Windows desktop and server release from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. A locally authenticated standard user can trigger the memory read flaw to gain SYSTEM-level privileges, yielding full confidentiality, integrity, and availability impact. No public exploit has been identified at time of analysis and the vulnerability is not listed in the CISA KEV catalog, but the low attack complexity, absence of required user interaction, and near-universal Windows deployment footprint make this a high-priority patch cycle item.
Remote code execution in the Windows DNS component allows an unauthenticated network attacker to run arbitrary code by triggering a stack-based buffer overflow (CWE-121). The flaw affects a broad range of Microsoft platforms from Windows 10 1607/1809 through Windows Server 2012 to Server 2025, including Server Core installations, and carries a CVSS 9.8 rating with no required privileges or user interaction. Microsoft has shipped fixes; there is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Privilege escalation via stack-based buffer overflow in the Windows Win32K kernel-mode subsystem enables a locally authenticated low-privileged user to gain SYSTEM-level access. Nineteen distinct Windows releases are confirmed affected, spanning Windows 10 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit code or CISA KEV listing has been identified at time of analysis, though Win32K has historically been a favored target of APT actors and commodity malware for post-exploitation privilege escalation.
Privilege escalation via out-of-bounds read in the Windows Win32K kernel graphics subsystem affects every supported and extended-support Windows client and server release, from Windows Server 2012 through Windows 11 26H1. Any locally authenticated standard user - requiring no elevated permissions or user interaction - can exploit CWE-125 in win32k.sys to obtain SYSTEM-level privileges. No public exploit code or CISA KEV listing has been identified at time of analysis, though the breadth of affected builds across the Microsoft fleet makes this a broad patching priority regardless of active exploitation signals.
Stack-based buffer overflow in Microsoft's Remote Desktop Client (mstsc.exe) enables remote code execution on unpatched Windows 10 1607 and Windows Server 2012/2016 systems. The CVSS vector (AV:N/AC:L/PR:N/UI:R) confirms the attack is network-delivered and requires no attacker privileges, but demands that a victim actively connect to an attacker-controlled RDP server - a meaningful but achievable social-engineering hurdle. Microsoft has released patches for all affected version branches; no public exploit identified at time of analysis.
Unauthenticated code execution in Windows DHCP Server allows an attacker positioned on an adjacent network segment to trigger a heap-based buffer overflow and achieve full system compromise. The vulnerability spans a wide range of Microsoft server and desktop platforms, from Windows Server 2012 through Windows Server 2025 and select Windows 10 builds, making it broadly relevant in Windows-centric enterprise environments. No public exploit code or CISA KEV listing has been identified at time of analysis, but the low-complexity, zero-interaction exploitation profile and vendor-confirmed patch availability make this a high-priority patching candidate for any organization running Windows DHCP Server.
Remote code execution is possible in Windows GDI+ across a broad range of Windows 10, 11, and Windows Server versions due to an integer overflow that leads to a heap-based buffer overflow (CWE-122). Network-based attackers with no privileges required can exploit this by delivering a crafted image or graphic file, requiring only that the victim open or preview the content. A vendor patch is available via MSRC; no public exploit code or CISA KEV listing has been identified at time of analysis.
Remote code execution in Windows DNS Server allows unauthenticated network attackers to exploit a race condition in concurrent DNS request processing to achieve full system compromise. The flaw spans Windows Server 2016 through 2025 and select Windows 10 builds, targeting the server-side DNS component; the 'Authentication Bypass' tag indicates the race window undermines an internal access control that would otherwise gate execution. Microsoft has released build-specific patches; no public exploit code or CISA KEV listing has been identified at time of analysis, though the network vector and full C/I/A impact make this a high-priority patching target for any organization running the Windows DNS Server role.
Remote code execution in Windows Routing and Remote Access Service (RRAS) allows unauthenticated network attackers to fully compromise affected hosts across an exceptionally broad range of Windows versions, from Server 2012 through Server 2025 and Windows 10/11. The root cause is a use-after-free memory corruption flaw (CWE-416) combined with an authentication bypass, enabling an attacker to execute arbitrary code without credentials. No public exploit code or CISA KEV listing has been identified at time of analysis, but the network-exposed attack surface, zero-authentication barrier, and breadth of affected platforms make this a high-priority patching target. A vendor-released patch is available via Microsoft MSRC.
Remote code execution in Microsoft Active Directory Certificate Services (AD CS) is achievable by low-privileged authenticated network attackers through a use-after-free (CWE-416) memory corruption flaw. All supported Windows Server versions from 2012 through 2025 are affected, along with Windows 10 versions 1607 and 1809. Microsoft has released patches via the MSRC update guide; no public exploit code or CISA KEV listing has been identified at time of analysis, though the low attack complexity and broad version coverage make this a high-priority remediation item.
Heap-based buffer overflow in the Windows Reliable Multicast Transport (RMCAST) kernel driver enables unauthenticated adjacent-network attackers to execute arbitrary code at kernel privilege level across a broad range of Windows desktop and server releases, from Server 2012 through Windows 11 version 26H1. The CVSS 8.8 rating reflects the zero-credential, zero-interaction exploitation path, constrained only by the requirement for network adjacency. No public exploit has been identified at time of analysis, and the vulnerability does not currently appear in the CISA KEV catalog; a vendor-released patch with confirmed fixed build numbers is available via Microsoft MSRC.
Local privilege escalation in Windows DHCP Server affects all major Windows Server releases from 2012 through 2025, as well as Windows 10 versions 1607 and 1809. An authorized low-privileged local attacker can exploit a symlink-following flaw (CWE-59) during DHCP Server file access operations to gain full control (C:H/I:H/A:H) over the affected system. No public exploit code or CISA KEV listing has been identified at time of analysis; Microsoft has released patches for all affected versions.
Local privilege escalation in the Windows DHCP Server service allows a low-privileged authenticated attacker to fully compromise system confidentiality, integrity, and availability through improper symbolic link handling (CWE-59). Affected deployments span Windows Server 2012 through 2025 and Windows 10 1607/1809. No public exploit code or CISA KEV listing has been identified at time of analysis, but the low attack complexity and broad version coverage across enterprise server infrastructure make this a credible post-access escalation path.
Privilege escalation in Windows DHCP Server exploits improper symbolic link resolution (CWE-59), allowing an authenticated local attacker with low privileges to fully compromise system confidentiality, integrity, and availability. The flaw affects Windows Server 2012 through 2025 and select Windows 10 builds where the DHCP Server role is active. No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity (AC:L) and no user interaction requirement make this a credible post-compromise escalation path.
Remote code execution in Windows SMB Server is achievable by a network-authenticated attacker exploiting a heap-based buffer overflow (CWE-122). The CVSS vector (AV:N/AC:L/PR:L/UI:N) confirms that low-privileged, network-accessible credentials are sufficient - no user interaction or elevated rights are required. The vulnerability affects a broad range of Windows client and server releases from Windows Server 2012 through Windows 11 26H2 and Windows Server 2025, with vendor patches now available. No public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation via heap-based buffer overflow in the Windows NTFS driver enables a local authenticated attacker with standard user rights to gain SYSTEM-level control on affected Windows endpoints and servers. The vulnerability spans a wide swath of the Windows ecosystem, from Windows Server 2012 through Windows Server 2025 and Windows 11 26H1, making the aggregate exposure significant. No public exploit code or CISA KEV listing is confirmed at time of analysis, but the low attack complexity (AC:L) and absence of user interaction (UI:N) mean that a working exploit would be highly reliable once developed.
Remote code execution in Windows LDAP (Lightweight Directory Access Protocol) affects a broad swath of Microsoft Windows desktop and server editions, from Windows 10 through Windows 11 and Windows Server 2012 through 2025. A use-after-free memory corruption flaw (CWE-416) in the LDAP client implementation allows a network-accessible, unauthenticated attacker to achieve arbitrary code execution with high confidentiality, integrity, and availability impact, contingent on user interaction - most likely the victim system initiating or being induced to make an LDAP connection to an attacker-controlled server. No public exploit identified at time of analysis and no CISA KEV listing, but the CVSS score of 8.8 and the breadth of affected Windows versions make this a high-priority patching target.
Remote code execution via a stack-based buffer overflow in the Windows kernel TCP/IP driver (CWE-121) affects all major Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. An unauthenticated remote attacker who can deliver crafted TCP/IP packets to an exposed system may gain kernel-level code execution without requiring user interaction. No public exploit or CISA KEV listing has been identified at time of analysis, though the kernel-mode attack surface and network-accessible delivery make this a high-priority patching target; Microsoft has released patches for all affected platforms.
Remote code execution is achievable in Windows SMB Server via a heap-based buffer overflow exploitable by a low-privileged, authenticated network attacker. The vulnerability (CWE-122) spans a wide range of Microsoft Windows client and server releases from Windows Server 2012 through Windows Server 2025 and Windows 10/11. Microsoft has released patches via the MSRC update guide; no KEV listing or public exploit code is present in the available intelligence at time of analysis.
Remote code execution via use-after-free in the Windows DNS service allows an authenticated, network-based attacker to execute arbitrary code on affected Windows Server and Windows 10 systems. The vulnerability spans a wide range of Windows Server versions from 2012 through 2025 and is exploitable over the network, though high attack complexity (AC:H) limits opportunistic exploitation. No public exploit identified at time of analysis; vendor-released patches with specific build targets are available via the Microsoft Security Response Center.
Heap-based buffer overflow in the Windows LDAP client implementation enables remote code execution against any Windows system that initiates an LDAP connection to an attacker-controlled server. The vulnerability spans an exceptionally wide set of affected Windows versions - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making the potential attack surface very large. Microsoft has released patches via the standard update channel; no public exploit code or CISA KEV listing has been identified at time of analysis, though the PR:N/UI:R vector and high CIAlll impact make this a credible priority for patching.
Remote code execution in Microsoft's Local Security Authority Server (lsasrv) affects virtually every supported Windows client and server release, from Windows Server 2012 through Server 2025 and Windows 10 through Windows 11 26H1. The heap-based buffer overflow (CWE-122) is reachable over the network by any low-privileged authenticated attacker - aligning with the CVSS PR:L designation and the description's 'authorized attacker' language - enabling full system compromise. No public exploit identified at time of analysis; vendor patch is available via MSRC.
Remote information disclosure in the Windows SMB Client affects every actively-supported Windows 10, Windows 11, and Windows Server release from 2016 through 2025, exposing potentially sensitive memory contents to unauthenticated network attackers via a CWE-125 out-of-bounds read (CVSS 7.5). The flaw resides in the SMB client stack and is triggered when a vulnerable Windows host processes a crafted response from an attacker-controlled SMB server, requiring no authentication or user interaction from the attacker's perspective. No public exploit has been identified at time of analysis and CISA has not added this to the Known Exploited Vulnerabilities catalog; however, the extraordinary breadth of affected products and the vendor-confirmed patch make this a standard patch-cycle priority.
Remote code execution via heap-based buffer overflow in the Windows RPC Runtime affects every supported Windows desktop and server release from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. An unauthenticated remote attacker who can reach an exposed RPC endpoint can corrupt heap memory and achieve arbitrary code execution, yielding full confidentiality, integrity, and availability compromise of the target system. No public exploit code or CISA KEV listing has been identified at time of analysis; however, the breadth of affected versions, combined with network accessibility and no authentication requirement, elevates operational priority for internet-facing and laterally-reachable Windows infrastructure.
Privilege escalation via use-after-free in the Windows DNS service exposes a broad range of Windows Server and Windows 10 systems to network-based attacks by unauthenticated adversaries. The race condition root cause (CWE-362) forces high attack complexity, as an attacker must win a precise timing window to corrupt freed memory and gain elevated privileges, reflected in the CVSS 8.1 score. No active exploitation has been confirmed by CISA KEV and no public exploit code has been identified at time of analysis, though the full C/I/A impact across thirteen distinct product versions from Windows Server 2012 through Server 2025 warrants prompt patching.
Privilege escalation in Windows License Manager exposes a critical authenticated-but-low-privileged local attacker path to full SYSTEM-level control across a wide range of Windows client and server builds. The root cause (CWE-306) is a missing authentication gate on a privileged License Manager function - an authorized standard user can invoke it without satisfying the elevated-privilege check that should protect it. Microsoft has released patches covering Windows 10 (1607 through 22H2), Windows 11 (23H2 through 26H1), and Windows Server 2016 through 2025; no public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation in Windows DHCP Server allows a locally authenticated attacker to gain SYSTEM-level privileges by exploiting a symlink/link-following flaw (CWE-59). Affected products span Windows Server 2012 through Windows Server 2025 and Windows 10 (1607/1809), all receiving patches in this advisory cycle. No public exploit code or CISA KEV listing is identified at time of analysis, but the low attack complexity and broad version coverage make this a meaningful patching priority for any Windows Server environment running the DHCP Server role.
Privilege escalation in the Windows Graphics Kernel exposes a use-after-free condition that allows a low-privileged local user to achieve SYSTEM-level code execution. Affected products span Windows 10, Windows 11, and Windows Server 2016 through 2025 across 15 distinct version ranges, making the blast radius extremely broad. No public exploit has been identified at time of analysis, and Microsoft has released patches addressing all affected builds via the MSRC advisory.
Privilege escalation in Windows Kerberos via a use-after-free memory corruption flaw allows a locally authenticated attacker to gain SYSTEM-level access on affected Windows systems. The vulnerability spans nearly all current Microsoft Windows client and server releases, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit identified at time of analysis; Microsoft has released patches addressing all affected builds.
Privilege escalation via heap-based buffer overflow in Windows Shell affects a broad range of Microsoft Windows desktop and server releases, from Windows 10 Version 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. A locally authenticated, low-privileged attacker can trigger heap corruption within the Windows Shell component to achieve full SYSTEM-level code execution with no user interaction required and low attack complexity. Microsoft has released patches across all affected version branches; no public exploit code or CISA KEV listing has been identified at time of analysis.
Stack-based buffer overflow in Windows Installer enables local privilege escalation across a wide range of Microsoft Windows desktop and server editions. An authenticated low-privileged local user can exploit the flaw (CWE-121) to achieve SYSTEM-level code execution, with full confidentiality, integrity, and availability impact on the compromised host. No public exploit code or CISA KEV listing has been identified at time of analysis; however, the low attack complexity and broad affected surface spanning Windows 10 through Windows 11 and Windows Server 2012 through 2025 make this a high-priority patching target.
Local privilege escalation in Windows DHCP Server exploits improper symbolic link resolution (CWE-59), allowing a low-privileged authenticated local user to gain full SYSTEM-level access across a wide range of Windows Server versions from 2012 through 2025. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires no interaction and only low-level local access, making this a practical post-exploitation escalation tool once an attacker has any foothold on a DHCP Server host. No public exploit code or CISA KEV listing has been identified at time of analysis, though a vendor patch is available.
Privilege escalation via heap-based buffer overflow in the Windows Remote Access Connection Manager (RASMAN) service affects virtually every current and legacy Windows release from Server 2012 through Windows 11 26H1 and Server 2025. A low-privileged local attacker can overwrite heap memory to gain SYSTEM-level code execution on the target host without any user interaction. No public exploit code or active exploitation has been identified at time of analysis; however, Microsoft has confirmed and patched the vulnerability through the MSRC update guide.
Stack-based buffer overflow in the Windows DHCP Client service enables a low-privileged local attacker to elevate privileges to SYSTEM level with full confidentiality, integrity, and availability impact. The flaw spans virtually every supported Windows desktop and server release, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025, making the attack surface extremely broad in any environment where interactive or local logon access is possible. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; Microsoft has released patches via the standard update guide.
Heap-based buffer overflow in the Windows Kerberos authentication subsystem enables a locally authenticated attacker to elevate privileges to SYSTEM-level access across a broad range of Windows client and server releases. The CVSS 3.1 score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects full confidentiality, integrity, and availability impact upon successful exploitation with low attack complexity once local access is established. Microsoft has released patches per MSRC advisory CVE-2026-62754; no public exploit code has been identified and the vulnerability has not appeared in the CISA KEV catalog at time of analysis.
Heap-based buffer overflow in Windows HTTP.sys enables a locally authenticated, low-privileged attacker to escalate privileges on the affected host, likely achieving SYSTEM-level control. The flaw spans a wide range of Windows versions from Server 2012 through Windows 11 26H1, representing substantial enterprise exposure despite requiring initial local access. No public exploit has been identified at time of analysis, and Microsoft has released patched builds across all affected product lines via the MSRC advisory.
Privilege escalation via heap-based buffer overflow in Windows Kerberos affects the full breadth of supported Windows versions, from Server 2012 through Windows 11 26H1 and Server 2025. An attacker holding a valid low-privilege local account can trigger a heap corruption condition in the Kerberos implementation to achieve complete confidentiality, integrity, and availability impact on the compromised host - effectively gaining SYSTEM-level control. Vendor-released patches with exact fixed build numbers are available via Microsoft MSRC; no public exploit code or CISA KEV-confirmed active exploitation has been identified at time of analysis.
Privilege escalation in Windows Telephony Service across a wide range of Microsoft Windows desktop and server editions enables a low-privileged local attacker to achieve SYSTEM-level control by exploiting a race condition in shared resource handling (CWE-362). The vulnerability spans Windows 10 through Windows 11 Version 25H2 and Windows Server 2012 through Server 2025, creating substantial attack surface despite the local access requirement. No public exploit identified at time of analysis; Microsoft has released patches resolving the flaw via the MSRC advisory for CVE-2026-62748.
Windows Device Association Service contains a heap-based buffer overflow (CWE-122) that enables local privilege escalation on a broad swath of Windows client and server editions, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. An attacker holding a standard low-privileged local account can exploit this flaw without any user interaction, achieving high impact across confidentiality, integrity, and availability - consistent with full SYSTEM-level compromise. No public exploit has been identified at time of analysis, and no CISA KEV listing is present, but Microsoft has released patches and the low attack complexity (AC:L) makes this a reliable privilege escalation primitive once local foothold is established.
Privilege escalation via integer underflow in Windows HTTP.sys (the kernel-mode HTTP protocol stack) allows an authenticated local attacker to gain SYSTEM-level access on a broad range of Windows versions from Server 2012 through Server 2025 and Windows 10/11. The flaw is rooted in an integer wraparound condition (tagged by the reporter as a heap overflow mechanism) in the HTTP.sys kernel driver, enabling full compromise of confidentiality, integrity, and availability on the affected host. No public exploit has been identified at time of analysis, and Microsoft has released patches covering all affected version branches.
Privilege escalation via heap-based buffer overflow in Windows HTTP.sys (a kernel-mode HTTP listener driver) allows a locally authenticated low-privilege attacker to gain SYSTEM-level access across a broad range of Windows client and server releases. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires only local authenticated access with no user interaction and low attack complexity, making this a practical post-compromise escalation primitive. No public exploit or CISA KEV listing has been identified at time of analysis, and Microsoft has released patches for all affected product lines.
Local privilege escalation via race condition in Windows Telephony Service affects a sweeping range of Microsoft Windows client and server editions, from Server 2012 through Windows 11 26H1. An authorized local attacker with low-privileged access can exploit improper synchronization over a shared resource to elevate to higher privilege levels, achieving full confidentiality, integrity, and availability impact on the vulnerable system. No public exploit identified at time of analysis, and the vulnerability is not listed in CISA KEV; however, the breadth of affected Windows versions across enterprise environments makes unpatched exposure a meaningful operational risk.
Privilege escalation via an out-of-bounds read in the Windows Win32K kernel subsystem allows a local authenticated attacker to gain SYSTEM-level access across a broad range of Windows client and server versions. The CVSS 7.8 vector (AV:L/AC:L/PR:L/UI:N) reflects a low-complexity local attack with full C/I/A impact, meaning any low-privileged user or compromised process can exploit this to completely own the host. No public exploit code or CISA KEV listing has been identified at time of analysis; however, the 19 affected Windows SKUs spanning Server 2012 through Windows 11 26H1 make this a high-priority patch cycle item - particularly for Remote Desktop and terminal server deployments where untrusted local sessions are common.
Privilege escalation via heap-based buffer overflow in Windows Telephony Service (TAPI) affects virtually all supported Windows client and server builds, from legacy Server 2012 through current Windows 11 25H2 and Server 2025. An authorized local user with standard low-privilege credentials can trigger the heap overflow in tapisrv to achieve SYSTEM-level access. No public exploit or CISA KEV listing exists at time of analysis; vendor-released patches are available across all 19 affected product SKUs per MSRC.
Privilege escalation in Windows Telephony Service affects virtually every supported Windows desktop and server release, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. An authorized local attacker exploits an improper synchronization flaw (CWE-362) in shared resource access within the telephony subsystem to elevate privileges to SYSTEM level, achieving full confidentiality, integrity, and availability impact. Microsoft has released patched builds; no public exploit code exists and the vulnerability is not listed in CISA KEV at time of analysis.
Privilege escalation via a time-of-check time-of-use (TOCTOU) race condition in the Windows Common Log File System (CLFS) Driver affects a broad range of Windows client and server versions from Server 2012 through Windows 11 25H2/26H1. A low-privileged local attacker can exploit the race window to gain SYSTEM-level access, achieving full confidentiality, integrity, and availability impact on the host. No public exploit code or CISA KEV listing is identified at time of analysis; vendor patch is available from Microsoft via the MSRC update guide.
Privilege escalation in Windows Telephony Service (TAPI) via a use-after-free memory corruption flaw enables a locally authenticated, low-privileged attacker to gain SYSTEM-level access on affected hosts. The vulnerability spans a broad range of Microsoft Windows versions from Server 2012 through Windows 11 26H1 and multiple Windows Server 2022/2025 builds, confirmed by Microsoft MSRC and catalogued under EUVD-2026-56640. No public exploit code or active exploitation has been identified at time of analysis, though the pervasive Windows deployment footprint makes patch deployment a meaningful operational priority.
Local privilege escalation via use-after-free (CWE-416) in the Windows Telephony Service (TAPI) affects every supported Windows desktop and server release, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025. An authorized low-privileged local attacker can trigger improper memory lifecycle management in the privileged tapisrv process, achieving full confidentiality, integrity, and availability impact on the compromised system. No public exploit code has been identified at time of analysis and high attack complexity constrains opportunistic mass exploitation, but vendor-released patches are available and should be prioritized given the ubiquitous deployment footprint.
Privilege escalation via use-after-free memory corruption in the Windows Telephony Service (TAPI) affects virtually every supported Windows desktop and server release, from Windows 10 1607 through Windows 11 25H2 and Windows Server 2012 through 2025. An authorized local attacker with low-privilege credentials can exploit a race condition to corrupt freed memory within the telephony service process, achieving full compromise of confidentiality, integrity, and availability. No active exploitation is confirmed by CISA KEV, and no public exploit has been identified at time of analysis; Microsoft has released patched builds for all affected platforms.
Local privilege escalation in the Windows Telephony Service (TAPI) allows an already-authenticated, low-privileged attacker to gain full system-level control via a use-after-free memory corruption flaw. The vulnerability spans a wide range of Windows versions from Server 2012 through Windows 11 26H1 and Server 2025. No public exploit code or CISA KEV listing has been identified at time of analysis, but the breadth of affected Windows versions and the availability of a vendor patch make patching urgent in environments where Telephony Service is active.
Local privilege escalation in Windows User-Mode Power Service (UMPS) affects a broad swath of Windows 10, Windows 11, and Windows Server releases from Server 2012 through Server 2025. An authenticated low-privileged local user can exploit insufficient access control granularity (CWE-1220) in UMPS to elevate privileges, achieving full confidentiality, integrity, and availability impact consistent with SYSTEM-level access. No public exploit identified at time of analysis, but Microsoft has released patches across all affected build lines, making this a high-priority patching item for organizations running any of the 19 affected Windows configurations identified in EUVD-2026-56638.
Privilege escalation via heap-based buffer overflow in Windows Message Queuing (MSMQ) allows a locally authenticated attacker with low privileges to gain SYSTEM-level access across a wide range of Microsoft Windows desktop and server editions. The flaw, classified as CWE-122, spans from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across multiple feature update channels, making it broadly relevant in enterprise environments where MSMQ is deployed. Patch is available from Microsoft via the MSRC update guide; no public exploit or CISA KEV listing has been identified at the time of analysis.
Privilege escalation in Windows Message Queuing (MSMQ) allows a locally authenticated low-privileged attacker to achieve full system compromise via a heap-based buffer overflow. Confirmed affected across a broad range of Microsoft Windows desktop and server platforms, from Windows Server 2012 through Windows Server 2025 and Windows 10/11 all versions. No public exploit identified at time of analysis and no CISA KEV listing; however, the low attack complexity combined with universal Windows platform coverage makes this a meaningful post-exploitation or insider-threat vector.
Privilege escalation in Windows Win32K via a heap-based buffer overflow enables a locally authenticated attacker to gain SYSTEM-level access across a broad range of Microsoft operating systems from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. The flaw (CWE-122) requires only standard user privileges and no user interaction, making post-compromise escalation straightforward for any attacker who has already obtained local access. No public exploit has been identified at time of analysis, but the Microsoft Security Response Center has issued a patch and the wide affected product surface warrants urgent remediation.
Privilege escalation via use-after-free in the Windows Win32K kernel subsystem affects a broad spectrum of Windows client and server releases, from Windows Server 2012 through Windows 11 25H2. An authenticated local attacker can exploit this flaw with low complexity and no user interaction to achieve full SYSTEM-level privileges (C:H/I:H/A:H per CVSS). No public exploit has been identified at time of analysis, but the low-complexity local exploitation profile - combined with the near-universal deployment footprint of Windows - makes this a high-priority patch for both endpoint and server environments.
Heap-based buffer overflow in the Windows Device Association Service allows a locally authenticated, low-privileged attacker to escalate to SYSTEM-level privileges across a broad range of Windows desktop and server releases. Affected versions span Windows 10 1607 through Windows 11 25H2 and Windows Server 2016 through 2025, making this a high-coverage local privilege escalation. No public exploit identified at time of analysis, but vendor patches are available and should be applied immediately given the low attack complexity.
Privilege escalation in Windows Modern Device Management (MDM) allows a low-privileged local attacker to gain SYSTEM-level access across a broad swath of Windows 10, Windows 11, and Windows Server editions. The root cause is CWE-416 (Use After Free), a memory-safety flaw in the MDM component where a freed memory object is dereferenced, enabling controlled memory corruption that can redirect execution to attacker-supplied code. Microsoft has released patches for all affected versions; no public exploit code or CISA KEV entry is identified at time of analysis.
Privilege escalation via use-after-free in the Windows Telephony Service (TAPI) allows a locally authenticated, low-privileged attacker to gain SYSTEM-level access across a broad range of Windows desktop and server releases. The vulnerability affects Windows 10, Windows 11 (all current feature releases), and Windows Server 2012 through 2025, representing near-universal coverage of supported and legacy Microsoft platforms. No public exploit identified at time of analysis; vendor-released patches are available via Microsoft Update.