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.
Use-after-free (CWE-416) in the Windows Kernel enables a low-privileged local attacker to escalate privileges to SYSTEM on a broad range of Windows client and server releases. The CVSS vector (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) indicates full confidentiality, integrity, and availability compromise once triggered, though the high attack complexity (AC:H) implies a race-condition or specific timing requirement that raises the bar for reliable exploitation. Microsoft has released patches for all affected versions; no public exploit or CISA KEV listing has been identified at time of analysis.
Out-of-bounds read in the Windows Key Distribution Center (KDC) allows unauthenticated network attackers to crash the Kerberos authentication service by sending a specially crafted packet to port 88, resulting in a denial of service condition. The vulnerability spans the entire supported Windows Server portfolio from Server 2012 through Server 2025, as well as Windows 10 and 11 client builds, confirmed by EUVD-2026-73363. No public exploit code has been identified at time of analysis; however, the unauthenticated, low-complexity network attack surface makes this a high-priority patch for organizations running Active Directory, where KDC availability is a single point of failure for domain-wide Kerberos authentication.
Heap-based buffer overflow in the Microsoft Windows Graphics Component enables a locally authenticated attacker to achieve arbitrary code execution with full confidentiality, integrity, and availability impact (C:H/I:H/A:H) across a remarkably broad swath of Windows versions, spanning Server 2012 through Windows 11 26H1. The vulnerability (CWE-122) is reachable by any standard user account (PR:L) with no user interaction required, making it a reliable local privilege-escalation primitive for post-compromise attack chains. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor-released patches are available via the Microsoft Security Response Center.
Heap-based buffer overflow in Windows Error Reporting (WER) allows a low-privileged local attacker to escalate privileges to SYSTEM on affected Windows endpoints and servers. The CVSS scope change flag (S:C) indicates the exploit escapes the attacker's process boundary, achieving full C:H/I:H/A:H impact on the broader system. Patch is available from Microsoft as part of a Patch Tuesday update cycle; no public exploit or CISA KEV entry has been identified at time of analysis.
Local privilege escalation in Windows NTFS (ntfs.sys) allows a low-privileged local attacker to achieve SYSTEM-level code execution via a heap-based buffer overflow (CWE-122). The vulnerability spans virtually every supported Windows release - from Windows Server 2012 R2 through Windows 11 26H1 and Windows Server 2025 - making the affected surface exceptionally broad. No public exploit code has been identified at time of analysis, but LPE primitives in the kernel NTFS driver are a high-value post-exploitation capability routinely sought by ransomware operators and APT groups following initial access.
Heap-based buffer overflow in Windows Imaging Component (WIC) enables remote code execution across a wide range of Microsoft Windows desktop and server editions. Exploitation requires a user to open or preview a maliciously crafted image file - consistent with the UI:R CVSS metric - which triggers CWE-122 heap corruption that can be leveraged for arbitrary code execution with full confidentiality, integrity, and availability impact. The vulnerability spans Windows Server 2012 through Server 2025 and Windows 10/11 across all current servicing branches; Microsoft has issued patches for all affected release lines, and no public exploit or CISA KEV entry has been identified at time of analysis.
Out-of-bounds read in the Windows Services for NFS ONCRPC XDR Driver enables unauthenticated remote attackers to crash the affected Windows system, causing a denial-of-service condition. The flaw resides in the kernel-mode driver that processes ONC RPC (Open Network Computing Remote Procedure Call) External Data Representation (XDR) packets, meaning a specially crafted network request can trigger a memory read beyond intended buffer boundaries - most likely a kernel panic (Blue Screen of Death). The affected surface spans Windows 10, Windows 11, and Windows Server versions from 2012 through 2025; a vendor patch is available via Microsoft's update guide. No public exploit or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WBioSrvc) enables a locally authenticated low-privileged attacker to escalate to SYSTEM-level privileges with no user interaction required. The vulnerability spans Windows 10 (versions 1607 through 22H2), Windows 11 (versions 23H2 through 26H1), and Windows Server 2016 through 2025, making it one of the broadest-scope local privilege escalation issues in the current patch cycle. Microsoft has released patches across all affected branches; no public exploit code or CISA KEV active exploitation entry has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables a local attacker with low-privilege code execution to escalate to SYSTEM-level privileges across a broad range of Windows 10, Windows 11, and Windows Server releases. Exploitation requires no user interaction and no elevated starting privileges beyond a standard user session. No public exploit code or CISA KEV listing has been identified at time of analysis; Microsoft has released patches for all affected versions via the update guide at msrc.microsoft.com.
Local privilege escalation via heap-based buffer overflow (CWE-122) in the Windows Biometric Service (WBioSrvc) affects Windows 10, Windows 11, and Windows Server 2016 through 2025 across a broad range of build versions. An authorized local attacker with low privileges can trigger the overflow to corrupt heap memory and achieve SYSTEM-level access, yielding full confidentiality, integrity, and availability impact on the local machine. Microsoft has released patches through the standard Patch Tuesday cycle; no active exploitation or public proof-of-concept has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WinBio) enables a locally authenticated attacker with standard user privileges to escalate to SYSTEM-level access across a broad swath of Windows 10, Windows 11, and Windows Server editions. The vulnerability is rooted in CWE-122 (heap buffer overflow) within the service that manages biometric devices such as fingerprint readers and Windows Hello. Microsoft has released patches via the MSRC update guide; no public exploit or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (wbiosrvc) enables any authenticated local user to elevate privileges to SYSTEM across a broad range of Windows 10, Windows 11, and Windows Server releases. The CVSS 7.8 vector (AV:L/AC:L/PR:L/UI:N) reflects straightforward exploitation conditions - no complex setup or user interaction required - with full confidentiality, integrity, and availability impact on the host. Microsoft has released patches across all affected build lines; no public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation in Windows Biometric Service (WbioSrvc) affects every major Windows desktop and server release from Windows 10 1607 through Windows 11 26H1. An authenticated local user with standard (low-privilege) access can trigger a heap-based buffer overflow in the biometric service process, elevating execution to SYSTEM level and achieving full C:H/I:H/A:H compromise of the host. Microsoft has released patched builds across all affected version branches; no public exploit code or CISA KEV listing has been identified at time of analysis, but the enormous footprint of affected Windows versions across both workstation and server estates makes this a high-urgency patch candidate.
Local privilege escalation in Windows Biometric Service (WBioSrvc) allows a low-privileged authenticated local user to achieve full system compromise through a heap-based buffer overflow. The flaw affects a wide range of Windows 10, Windows 11, and Windows Server releases (2016 through 2025), making it broadly relevant across enterprise environments. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, but the low attack complexity and minimal privilege requirement make this a meaningful post-exploitation stepping stone.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a low-privileged local attacker to escalate privileges to SYSTEM without user interaction. The flaw spans virtually every supported Windows release - from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025 - making the attack surface exceptionally broad. Microsoft has released patches for all affected builds; no public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation in Windows Biometric Service via use-after-free (CWE-416) allows a low-privileged, locally authenticated attacker to gain SYSTEM-level access across a broad range of Windows client and server releases. The vulnerability spans Windows 10 through Windows 11 (multiple feature releases) and Windows Server 2016 through 2025, placing it among the widest-footprint Microsoft patch-Tuesday EoP issues. Microsoft has released fixed builds; no public exploit identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a locally authenticated low-privilege attacker to escalate to full SYSTEM-level privileges across fifteen distinct Windows 10, Windows 11, and Windows Server build configurations. The flaw (CWE-122) resides in the service's heap memory management and, given the CVSS AC:L rating, is considered straightforward to exploit once local or RDP access is established. Vendor-released patches are available for all affected build lines; no public exploit code and no CISA KEV listing have been identified at the time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WinBioSrvc) allows a locally authenticated low-privileged attacker to escalate privileges to SYSTEM level across a broad range of Windows desktop and server releases. The flaw (CWE-122) exists in a high-privilege Windows service, making it a reliable local privilege escalation primitive for post-exploitation scenarios. No public exploit identified at time of analysis, and no CISA KEV listing; Microsoft has released patches across all affected version branches.
Heap-based buffer overflow in the Windows Biometric Service (WBioSrvc) allows a locally authenticated low-privileged attacker to escalate privileges to SYSTEM level on affected endpoints and servers. The flaw (CWE-122) spans 15 distinct Windows builds from Windows 10 1607 through Windows Server 2025, making it broadly applicable across most enterprise Windows fleets. No public exploit code or active exploitation has been identified at time of analysis; Microsoft has released patches for all affected versions.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables local privilege escalation to SYSTEM on a broad range of Windows client and server platforms. An authenticated low-privileged user can trigger the overflow without user interaction, yielding full confidentiality, integrity, and availability compromise of the affected system. No public exploit code or CISA KEV listing has been identified at time of analysis, but the wide version footprint across Windows 10 through Windows 11 and Server 2016-2025 makes this a significant enterprise patching priority.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables local privilege escalation to SYSTEM on Windows 10, Windows 11, and Windows Server 2016 through 2025. An attacker with a standard local user account can trigger the overflow without user interaction, achieving full confidentiality, integrity, and availability compromise of the local system. Microsoft has released patches covering all affected versions; no public exploit code or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a low-privileged local attacker to escalate privileges to SYSTEM on affected Windows hosts. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N) confirms low-complexity local exploitation with full confidentiality, integrity, and availability impact, consistent with a service-level privilege escalation. No public exploit code or active exploitation has been identified at time of analysis; a vendor-released patch is available via Microsoft's July 2026 security update.
Heap-based buffer overflow in the Windows Biometric Framework Service enables an authenticated local attacker to escalate privileges to SYSTEM level across a broad range of Windows 10, Windows 11, and Windows Server versions. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms the flaw is straightforward to trigger with only a low-privileged local account and no user interaction, making it an effective post-compromise escalation primitive. No public exploit or CISA KEV listing is identified at time of analysis; Microsoft has released patches for all affected builds.
Heap-based buffer overflow in Windows Biometric Service (WBioSrvc) enables a low-privileged local attacker to escalate to SYSTEM-level privileges across a broad range of Windows 10, Windows 11, and Windows Server releases. The vulnerability (CWE-122) requires only a valid local account and no user interaction, making it a reliable post-exploitation stepping stone for attackers who have already obtained initial access. Microsoft has released patches across all affected build branches; no public exploit code or active exploitation has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables local privilege escalation to SYSTEM on a wide range of Windows 10, Windows 11, and Windows Server releases. Exploitation requires an authorized, low-privileged local account, after which the attacker achieves full confidentiality, integrity, and availability impact (C:H/I:H/A:H). Microsoft has released patches across all affected version branches; no public exploit has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WBioSrvc) enables local privilege escalation to SYSTEM on a broad range of Windows 10, Windows 11, and Windows Server editions. An authorized attacker with low-privilege code execution can corrupt heap memory within the biometric service process to achieve full C:H/I:H/A:H impact without any user interaction. No public exploit code has been identified at time of analysis, and Microsoft has released patches via its regular update channel.
Local privilege escalation in Windows Biometric Service affects a broad sweep of Windows 10, Windows 11, and Windows Server versions through a use-after-free memory corruption condition. An authorized local attacker with standard (low-privilege) credentials can exploit the UAF to elevate to SYSTEM-level access, achieving full confidentiality, integrity, and availability impact on the host. No public exploit or active exploitation has been identified at time of analysis, but the extensive Windows footprint and confirmed vendor patch make timely deployment a clear priority.
Heap-based buffer overflow in the Windows Biometric Service (wbiosrvc) enables a locally authenticated, low-privileged attacker to escalate privileges to SYSTEM-level on a wide range of Windows desktop and server releases, from Windows 10 Version 1607 and Server 2016 through Windows 11 Version 26H1 and Server 2025. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms the attack requires only a standard user session with no user interaction and no special complexity, making this a reliable post-exploitation LPE primitive. No public exploit code and no CISA KEV listing have been identified at time of analysis; a vendor-released patch is available via Microsoft Security Response Center.
Heap-based buffer overflow in Windows Biometric Service (WBioSrvc) enables a locally authenticated, low-privileged user to escalate to SYSTEM-level privileges on a wide range of Windows 10, Windows 11, and Windows Server 2016-2025 builds. Microsoft has confirmed the issue and released patched builds via Windows Update. No public exploit code or CISA KEV listing exists at time of analysis, but the LPE utility of this class of vulnerability makes it a standard element in post-initial-access attack chains and a meaningful enterprise patch priority.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a locally authenticated low-privileged attacker to achieve SYSTEM-level privilege escalation on any unpatched supported Windows endpoint or server. The vulnerability exists in a default-enabled service present across all supported Windows 10, Windows 11, and Windows Server 2016-2025 builds, making the affected surface essentially every managed Windows environment. No public exploit or CISA KEV listing has been identified at time of analysis; however, AC:L indicates straightforward exploitation once triggered, making this a high-priority patch target given its ubiquitous footprint and value as a post-exploitation escalation primitive.
Local privilege escalation in the Windows Device Association Service allows an authenticated local attacker to gain SYSTEM-level access via a use-after-free memory corruption condition. The vulnerability spans virtually all supported Windows desktop and server releases - from Windows 10 version 1607 through Windows 11 25H2/26H1 and Windows Server 2016 through 2025. The high complexity (AC:H) rating indicates a race-condition-dependent exploitation path, and no public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has released patches addressing all affected builds.
Privilege escalation via out-of-bounds read in Windows Remote Desktop Services affects authenticated low-privileged users across a broad range of Windows 10, Windows 11, and Windows Server releases from 2012 through 2025. An attacker holding valid low-privileged credentials can exploit the CWE-125 memory flaw over the network to achieve full system compromise, with the vendor-assessed impact reaching C:H/I:H/A:H. No public exploit or CISA KEV listing is identified at time of analysis; Microsoft has released patches across all affected build lines.
Use-after-free (CWE-416) in the Windows DNS service enables unauthenticated remote attackers to crash the DNS server, causing a denial-of-service condition across affected Windows Server and Windows 10 deployments. The vulnerability exists in DNS server processing logic where memory is freed and subsequently accessed, corrupting heap state and triggering a service crash. No public exploit code or active exploitation has been identified at time of analysis; SSVC assessment classifies exploitation as 'none' and technical impact as 'partial', consistent with a DoS-only scenario.
Privilege escalation in the Windows Biometric Service (WBS) allows a locally authenticated user to gain SYSTEM-level access by triggering a heap-based buffer overflow in the service process. The flaw spans all currently supported Windows 10, Windows 11, and Windows Server releases from 2016 through 2025, making the attack surface extremely broad. No public exploit code and no CISA KEV listing have been identified at time of analysis; vendor-released patches are available via the July 2026 Patch Tuesday cycle.
Privilege escalation to SYSTEM in Windows Biometric Service via heap-based buffer overflow (CWE-122) affects every supported Windows client and server release from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. A low-privileged local authenticated attacker can exploit the flaw with no user interaction required (CVSS AV:L/AC:L/PR:L/UI:N) to achieve full confidentiality, integrity, and availability compromise of the affected system. No public exploit code or CISA KEV listing has been identified at time of analysis; patch availability is confirmed via Microsoft MSRC.
Remote code execution in the Windows Services for NFS ONCRPC XDR driver allows an unauthenticated network attacker to execute arbitrary code by triggering a use-after-free (CWE-416) in the driver that parses ONC RPC/XDR-encoded NFS traffic. All supported Windows Server releases (2012 through 2025, including Server Core) are affected when the Services for NFS role is enabled, and Microsoft rates it critical (CVSS 9.8). No public exploit has been identified at time of analysis and it is not on CISA KEV, but the unauthenticated network vector and kernel-mode driver target make it a high patch priority.
Local privilege escalation in Windows Management Instrumentation (WMI) via a use-after-free memory corruption flaw enables any low-privileged local account holder to gain full system compromise (C:H/I:H/A:H) across a sweeping range of Windows client and server versions from Server 2012 through Windows 11 26H1. The CVSS AC:H rating reflects the heap-grooming and race-condition complexity inherent in reliable UAF exploitation. No public exploit has been identified at time of analysis, and Microsoft has released patches across all affected product lines through the MSRC advisory process.
Heap-based buffer overflow in the Windows Volume Manager Extension Driver (volmgrx-class kernel component) allows a local, low-privilege authenticated attacker to escalate privileges to SYSTEM. The vulnerability affects a sweeping range of Windows client and server releases - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making it broadly applicable across enterprise environments. No public exploit has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Out-of-bounds read (CWE-125) in the Windows DHCP Server service allows a remote unauthenticated attacker to crash the service over a network, resulting in denial of service for all DHCP-dependent clients on the affected segment. The vulnerability spans a wide range of Windows Server versions from 2012 through 2025, as well as Windows 10 1607 and 1809, and reflects Microsoft's own reporting (secure@microsoft.com). No public exploit code or CISA KEV listing has been identified at time of analysis, but the unauthenticated network attack surface and widespread deployment of Windows DHCP in enterprise environments elevate operational impact.
Local privilege escalation in Windows Installer (msiexec) affects every major Windows release from Server 2012 through Windows 11 26H1 and Server 2025, allowing a low-privileged authenticated attacker to achieve full SYSTEM-level control by winning a race condition against the installer's SYSTEM-context file operations. The vulnerability (CWE-362) requires high attack complexity due to the inherent timing constraints of race window exploitation, but no user interaction is needed once local code execution is established. Microsoft has released patches for all affected versions; no public exploit code or CISA KEV listing has been identified at time of analysis.
Out-of-bounds read (CWE-125) in the Windows DHCP Server service enables an unauthenticated remote attacker to crash the service by sending a crafted network packet, resulting in denial of DHCP service to all network clients. All actively supported Windows Server releases from 2012 through 2025 are affected, as is Windows 10 versions 1607 and 1809 with the DHCP Server role installed. Microsoft has released patches for all affected versions; no public exploit or CISA KEV listing is identified at time of analysis.
Unauthenticated remote denial-of-service in the Windows DHCP Server service across a broad range of Windows Server builds (2012 through 2025) stems from a type confusion flaw (CWE-843) in packet-processing logic. A network-adjacent or remote attacker can send a malformed DHCP packet that causes the server process to access a resource using an incompatible type, crashing the DHCP service and halting IP address assignment for all dependent clients. No active exploitation has been confirmed (not in CISA KEV) and no public proof-of-concept has been identified at time of analysis, but the zero-authentication requirement and broad version footprint make this a practical target.
Type confusion (CWE-843) in the Windows DHCP Server service enables unauthenticated remote attackers to crash or deny service to the DHCP daemon over the network. The flaw spans Windows Server 2012 through 2025 and Windows 10 builds where the DHCP Server role is installed. No public exploit or CISA KEV listing has been identified at time of analysis, but the CVSS 7.5 AV:N/AC:L/PR:N/UI:N vector signals straightforward, low-complexity network exploitation requiring no authentication.
Type confusion (CWE-843) in Windows DHCP Server enables unauthenticated remote denial of service across an extensive range of Windows Server releases, from Windows Server 2012 through Windows Server 2025. An attacker on the network can send a malformed DHCP packet that triggers incompatible type access in the DHCP service, crashing it and disrupting IP address assignment for all network clients served by that host. No public exploit code has been identified at time of analysis, but the low attack complexity and absence of authentication requirements make this a straightforward network-reachable DoS.
Unauthenticated remote denial-of-service in the Windows DHCP Server role allows network-accessible attackers to crash the DHCP service by sending malformed packets that trigger an out-of-bounds read (CWE-125). Affected versions span Windows Server 2012 through Windows Server 2025, all requiring the DHCP Server role to be installed and running. Microsoft has released patches for all supported versions; no public exploit code and no CISA KEV listing have been identified at time of analysis.
Local privilege escalation in Windows NTFS via an out-of-bounds read (CWE-125) enables a low-privileged local attacker to gain full system-level access across a broad range of Windows desktop and server releases. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires only a standard local user account with no user interaction and no special configuration. EPSS sits at 0.27% (19th percentile), suggesting limited opportunistic exploitation at this time, and no active exploitation is confirmed via CISA KEV.
Denial-of-service via out-of-bounds read in Windows DHCP Server allows a remote, unauthenticated attacker to crash the DHCP service across a broad range of Windows Server versions. Exploitation requires only network access and no authentication, making it trivially reachable by any host on a network segment served by the vulnerable DHCP role. No public exploit code or CISA KEV listing has been identified at time of analysis, but the low-complexity network vector and wide affected version range make this a credible operational risk for enterprise environments.
Out-of-bounds read in Windows DHCP Server (CWE-125) allows unauthenticated remote attackers to crash the DHCP service, denying IP address assignment to all clients on affected subnets. The vulnerability spans a wide range of Windows Server versions from 2012 through 2025, as well as Windows 10 builds with the DHCP Server role enabled. Microsoft has released patched builds; no public exploit code or CISA KEV listing has been identified at time of analysis, but the AV:N/PR:N attack surface on a critical network infrastructure service warrants prompt patching.
Local privilege escalation in the Windows Device Association Service allows a low-privileged authenticated local user to gain SYSTEM-level control across a broad range of Windows 10, Windows 11, and Windows Server releases. The root cause is CWE-763 (Release of Invalid Pointer or Reference) - a memory-safety defect in the service's pointer lifecycle management that, when triggered, enables code execution at elevated privilege. No public exploit code or active exploitation has been identified at time of analysis, but the zero-interaction, low-complexity CVSS vector makes this a high-priority patching target for any organization running unpatched Windows endpoints or servers.
Type confusion (CWE-843) in the Windows DHCP Server service allows an unauthenticated remote attacker to crash the service, causing denial of service across the network. The flaw affects all major Windows Server generations from Server 2012 through Server 2025, as well as Windows 10 versions 1607 and 1809, wherever the DHCP Server role is active. Microsoft has released patches; no public exploit or CISA KEV listing has been identified at time of analysis.
Out-of-bounds read in the Windows DHCP Server role exposes all supported Windows Server versions - from Server 2012 through Server 2025 - to unauthenticated network-based denial of service. An attacker on the network can send a specially crafted DHCP packet that triggers the CWE-125 read violation, crashing or hanging the DHCP service and severing lease renewal for all network clients served by that instance. No public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has released patches across all affected build lines.
Heap-based buffer overflow in Windows Imaging Component (WIC) enables network-delivered code execution on any Windows system where a user opens a crafted image file. The flaw affects an extremely broad surface spanning Windows Server 2012 through Windows Server 2025 and Windows 11 26H1, making it relevant to virtually every Windows-based enterprise environment. Microsoft has released patches; no public exploit or CISA KEV listing was identified at time of analysis, though the low-complexity, no-privileges-required vector is conducive to phishing-style mass targeting.
Type confusion (CWE-843) in the Windows DHCP Server service allows unauthenticated remote attackers to crash the service, causing a denial of service across affected Windows Server deployments. The flaw spans a wide range of Windows Server versions from 2012 through 2025, as well as Windows 10 builds 1607 and 1809 that run the DHCP Server role. No public exploit has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Remote code execution in the Microsoft Graphics Component (GDI/graphics stack) affects the full supported Windows line - Windows 10 (1607-22H2), Windows 11 (23H2-26H1), and Windows Server 2012 through 2025 - where a double free (CWE-415) lets a remote attacker corrupt memory and run arbitrary code. Microsoft rates it CVSS 9.8 with a fully unauthenticated network vector and full confidentiality, integrity, and availability impact. No public exploit is identified at time of analysis and it is not listed in CISA KEV, but the ubiquity of the affected component and Patch-Tuesday-class severity make it a high-priority fix.
Local privilege escalation in Windows Biometric Service (WbioSrvc) allows any low-privileged authenticated user to gain SYSTEM-level access via a null pointer dereference (CWE-476) in the Windows Biometric Framework. Affecting Windows 10 through Windows 11 26H1 and Windows Server 2016 through 2025, the flaw is present across virtually the entire modern Windows ecosystem. No public exploit identified at time of analysis; Microsoft has released patches across all affected branches.
Local privilege escalation via heap-based buffer overflow in the Windows Biometric Service (WinBio) affects a broad range of Windows 10, Windows 11, and Windows Server releases from 2016 through 2025. An authorized low-privileged local user can exploit the memory corruption flaw to achieve full SYSTEM-level code execution with high confidentiality, integrity, and availability impact. No public exploit code has been identified at time of analysis, but the broad platform footprint and straightforward CVSS vector (AC:L, PR:L, UI:N) make this a high-priority patching target for enterprise Windows environments.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) allows a locally authenticated low-privileged attacker to escalate privileges to SYSTEM on affected Windows 10, Windows 11, and Windows Server 2016 through 2025 installations. The vulnerability is exploitable with no user interaction beyond local code execution rights, and affects virtually the entire supported Windows ecosystem - from Windows 10 version 1607 through Windows 11 26H1 and all major Server SKUs. No public exploit code or CISA KEV listing has been identified at time of analysis, but a vendor-released patch is available.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables an authenticated local attacker with standard user privileges to escalate to SYSTEM-level access across a wide range of Windows releases spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. Microsoft has released patches for all fifteen affected product/version combinations via the standard Windows Update channel. No public exploit code has been identified and this CVE does not appear in the CISA KEV catalog, though the CVSS AC:L rating indicates reliable exploitation without race conditions, making this a credible post-compromise privilege escalation primitive.
Heap-based buffer overflow in the Microsoft Graphics Component enables remote code execution across a broad range of Windows client and server editions from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. An unauthenticated network-based attacker can exploit this flaw by inducing a user to interact with maliciously crafted graphical content, triggering a CWE-122 heap overflow that yields full C:H/I:H/A:H impact. No public exploit code or CISA KEV listing is identified at time of analysis; vendor patch is available via Microsoft's August 2026 Patch Tuesday.
Local privilege escalation via heap-based buffer overflow in Windows Biometric Service (WbioSrvc) affects authorized standard users across a sweeping range of Windows 10, Windows 11, and Windows Server versions from 2016 through 2025. A low-privileged local attacker can trigger the CWE-122 heap overflow to achieve full SYSTEM-level control (C:H/I:H/A:H) without user interaction. No public exploit code or active exploitation has been identified at time of analysis, though the ubiquity of the affected platform and the low attack complexity make this a meaningful post-access privilege escalation primitive.
Privilege escalation in the Windows Biometric Service (wbiosrvc) allows a locally authenticated low-privileged user to gain SYSTEM-level access via a heap-based buffer overflow. Affecting 15 distinct Windows client and server builds spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025, the flaw requires only a standard user account and no interaction from any other user. Microsoft has released patched builds across all affected product lines; no public exploit code or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WBioSrvc) allows a locally authenticated standard user to escalate privileges to SYSTEM on a broad range of affected Windows desktop and server editions. The flaw (CWE-122) requires only low-privilege local access with no user interaction, making it an attractive post-compromise escalation primitive. Microsoft has released patches across all affected branches; no public exploit or CISA KEV listing has been identified at time of analysis.
Stack-based buffer overflow in the Windows Graphics Component enables unauthenticated remote attackers to achieve arbitrary code execution on affected systems when a victim interacts with specially crafted graphical content. The vulnerability spans all currently supported Windows 10, Windows 11, and Windows Server editions from 2016 through 2025, making the attack surface exceptionally broad. Microsoft has released patches as part of the monthly security update cycle; no confirmed active exploitation or public proof-of-concept has been identified at time of analysis.
Local privilege escalation in Windows Biometric Service (WBioSrvc) allows a low-privileged authenticated user to gain full system control via an integer overflow or wraparound (CWE-190). Affected versions span Windows 10, Windows 11, and Windows Server 2016 through 2025, with Microsoft providing patched builds across all affected product lines. No public exploit code or CISA KEV listing was identified at time of analysis, but the low attack complexity and absence of user-interaction requirement make this a high-value post-compromise escalation primitive.
Heap-based buffer overflow in the Windows Biometric Service (WBF) enables a locally authenticated attacker to escalate privileges to SYSTEM on a wide range of Windows desktop and server versions. The flaw (CWE-122) is reachable by any standard user account and requires no user interaction, yielding full confidentiality, integrity, and availability compromise on the vulnerable host. Patch is available via Microsoft's Patch Tuesday update cycle; SSVC assessment indicates no exploitation observed and the attack is not automatable.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables any locally authenticated standard user to escalate privileges to SYSTEM across virtually all supported Windows 10, Windows 11, and Windows Server editions. The flaw (CWE-122) exploits the service's privileged execution context combined with its exposure to requests from low-privileged user sessions, yielding full confidentiality, integrity, and availability compromise of the host. Microsoft has released patched builds across all affected platforms; no active exploitation is confirmed in CISA KEV and no public exploit code has been identified at time of analysis.
Local privilege escalation in Windows Biometric Service (WinBio) allows an authenticated low-privileged user to gain full system control via a heap-based buffer overflow. The flaw spans a broad surface - Windows 10 versions 1607 through 22H2, Windows 11 versions 23H2 through 26H1, and Windows Server 2016 through 2025 - all pre-patched builds are affected. Microsoft has released security updates addressing the overflow; no public exploit code or active exploitation (CISA KEV) has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service enables local privilege escalation to SYSTEM-level access across a wide range of Windows client and server releases. Any low-privileged, authorized local user can trigger the overflow without user interaction, yielding full confidentiality, integrity, and availability compromise of the affected host. Vendor patch is available from Microsoft; no public exploit has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables local privilege escalation across a wide range of Windows client and server editions from 2016 through current 2025 builds. An authenticated local attacker exploiting CWE-122 can corrupt heap memory to achieve full system-level compromise (C:H/I:H/A:H), making this a practical post-exploitation stepping stone after initial access. Microsoft has released patches for all affected versions; SSVC rates exploitation as none at time of analysis and no public exploit code has been identified.
Privilege escalation to SYSTEM-level in Windows Biometric Service (WinBioSrvc) affects virtually all supported Windows releases, from Windows 10 version 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. An authorized local attacker with low-privilege code execution can exploit a heap-based buffer overflow in the biometric service process to achieve full local compromise - gaining high confidentiality, integrity, and availability impact. No public exploit has been identified at time of analysis, and Microsoft has released patches across all 15 affected build branches as confirmed by EUVD-2026-73750.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables an authenticated local attacker with standard user privileges to escalate to SYSTEM-level access on affected Windows endpoints and servers. The vulnerability spans a broad surface - Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025 - making it relevant across virtually all enterprise Windows deployments. No public exploit code or CISA KEV listing has been identified at time of analysis, but low attack complexity (AC:L) and the wide affected version range make this a meaningful patching priority.
Privilege escalation via heap-based buffer overflow in the Windows Biometric Service (wbiosrvc) affects the full current Windows ecosystem, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. An authenticated local user can trigger the overflow to achieve full SYSTEM-level code execution, with complete confidentiality, integrity, and availability impact on the local machine. No public exploit code has been identified at time of analysis, and Microsoft has released patches across all affected build branches via the standard update guide.
Heap-based buffer overflow in the Windows Biometric Service (WinBioSrv) enables a locally authenticated standard user to escalate privileges to SYSTEM on affected Windows endpoints and servers. The vulnerability spans virtually every currently supported Windows release - from Windows 10 1607 and Server 2016 through Windows 11 26H1 and Server 2025 - making organizational exposure exceptionally broad. Microsoft has released patched builds via the standard Patch Tuesday cycle; no public exploit code or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (wbiosrvc.exe) enables a low-privileged local attacker to escalate to SYSTEM-level privileges across all major Windows 10, Windows 11, and Windows Server 2016 through 2025 releases. The flaw (CWE-122) can be triggered with low complexity and no user interaction, yielding full confidentiality, integrity, and availability impact over the affected host. No public exploit has been identified at time of analysis; Microsoft has released patches covering all affected build lines.
Heap-based buffer overflow in Windows Biometric Service (WinBio) enables a locally authenticated low-privileged user to escalate privileges to SYSTEM on affected Windows hosts. The flaw spans a wide range of Windows versions from Windows 10 1607 and Server 2016 through Windows 11 26H1 and Server 2025, representing effectively the entire current Microsoft ecosystem. Vendor-released patches are available; no public exploit code or active exploitation has been identified at time of analysis.
Local privilege escalation via heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables any authorized low-privileged user to achieve full SYSTEM-level compromise across a broad range of Windows desktop and server releases. The CVSS:3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms low-complexity local exploitation with no user interaction, yielding complete confidentiality, integrity, and availability impact. No public exploit or active exploitation (CISA KEV) has been identified at time of analysis; vendor-released patches are available.
Heap-based buffer overflow in the Windows Remote Access Connection Manager (RASMAN) service enables local code execution with full system impact on unpatched Windows 10, 11, and Server 2012-2025 systems. Any authenticated local user with low privileges can trigger the CWE-122 overflow with no user interaction, achieving high confidentiality, integrity, and availability impact - characteristic of a local privilege escalation to SYSTEM or service-level code execution. No active exploitation (KEV) or public proof-of-concept is confirmed at time of analysis; vendor patch is available via Microsoft Update.
Privilege escalation via use-after-free in Windows Remote Access Connection Manager (RASMAN) permits a locally authenticated attacker with low-level access to gain full SYSTEM-level control. The vulnerability spans virtually the entire supported Windows client and server ecosystem, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 R2 through 2025. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor patch is available.
Privilege escalation in Windows File History Service across Windows 10, Windows 11, and Windows Server 2016/2019 allows a locally authenticated low-privileged attacker to gain SYSTEM-level access by exploiting a use-after-free memory corruption flaw (CWE-416) in the service process. The CVSS 7.0 score reflects real exploitation difficulty - attack complexity is high, indicating dependence on heap layout conditions or race-condition timing typical of UAF bugs. No public exploit code or active exploitation has been identified at time of analysis, and a vendor-released patch is available from Microsoft.
Remote code execution is achievable in the Windows Work Folder Service via a CWE-190 integer overflow that allows a low-privileged authenticated attacker to trigger arbitrary code execution over the network. Affected platforms span Windows Server 2012 R2 through Windows Server 2025 and Windows 10 versions 1607 and 1809, covering the majority of actively maintained Windows Server generations. Microsoft has released patched builds for all affected versions; no public exploit or confirmed active exploitation has been identified at time of analysis.
Local privilege escalation in Windows NFS Portmapper affects virtually every supported Windows release, from Server 2012 through Windows 11 26H1, allowing a low-privileged local user to achieve 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) reflects low attack complexity once local access is established, with complete confidentiality, integrity, and availability impact. No public exploit code or CISA KEV listing has been identified at time of analysis; Microsoft has released patches across all affected versions.
Local privilege escalation in Windows Remote Access Connection Manager (RACM) exploits a use-after-free memory corruption flaw to allow an authorized low-privileged user to gain full SYSTEM-level control. The vulnerability spans an exceptionally broad range of Microsoft platforms - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making it widely applicable across enterprise environments. Microsoft has released patches addressing the flaw; no public exploit code or CISA KEV listing is present at time of analysis, though the CVSS AC:H rating suggests reliable exploitation requires a race-condition timing window.
Local privilege escalation in Windows Secure Socket Tunneling Protocol (SSTP) allows an authenticated low-privileged local attacker to achieve full SYSTEM-level control by exploiting a use-after-free (UAF) memory corruption condition in the SSTP kernel-mode driver. The vulnerability spans every currently-supported Windows client and server release, from Windows 10 1607 through Windows 11 25H2 and Windows Server 2016 through 2025. Microsoft has released patched builds for all affected platforms; no public exploit code or CISA KEV listing has been identified at time of analysis.
Unauthenticated network information disclosure in the Windows Services for NFS ONCRPC XDR Driver allows a remote attacker to obtain sensitive system information without any credentials or user interaction. The vulnerability, classified as CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere), affects a broad range of Windows versions from Server 2012 through Server 2025 and Windows 10/11 across multiple feature releases. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in CISA KEV; however, the CVSS AV:N/AC:L/PR:N/UI:N profile indicates straightforward network exploitability wherever the NFS feature is enabled.
Information disclosure in Windows Remote Desktop Protocol (RDP) exposes sensitive memory contents to unauthenticated network attackers across a vast range of Windows Server and client editions, from Server 2012 through Server 2025 and Windows 10/11. The root cause is improper null termination (CWE-170), a memory safety defect where string buffers are read beyond their intended boundary, leaking adjacent memory to a remote caller before any authentication handshake completes. No public exploit or CISA KEV listing is identified at time of analysis, but the unauthenticated network vector and breadth of affected systems make this a high-priority patch for any organization with RDP exposed.
Privilege escalation in the Windows Biometric Service (WBioSrvc) allows a locally authenticated attacker to elevate from standard user to SYSTEM-level privileges via an integer overflow or wraparound condition. The flaw spans a wide range of Windows 10, 11, and Server editions (1607 through 25H2/Server 2025), making it applicable across the majority of actively managed Windows fleets. With a CVSS 7.8 score (AV:L/AC:L/PR:L/UI:N) and low attack complexity once local access is established, this vulnerability is a realistic post-exploitation escalation primitive; no public exploit code or KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WBioSrvc) enables local privilege escalation across a broad swath of Windows 10, 11, and Server releases. An authenticated local attacker exploiting this flaw can achieve full compromise of confidentiality, integrity, and availability on the target system, consistent with elevation to SYSTEM-level privileges. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; attack complexity is rated High, limiting the practical threat pool to skilled or persistent local actors.
Privilege escalation to SYSTEM in Windows Biometric Service (wbiosrvc) allows a locally authenticated low-privileged user to fully compromise the affected Windows host via an integer overflow (CWE-190) in the biometric framework's internal processing. The flaw spans a broad surface of Microsoft Windows client and server editions from Windows 10 Version 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. Microsoft has released patches for all affected versions; no public exploit code and no CISA KEV listing have been identified at time of analysis.
Heap-based buffer overflow in the Windows Win32 Kernel Subsystem enables local privilege escalation to SYSTEM across a wide range of Microsoft Windows client and server editions. An authenticated low-privilege local user can trigger the overflow with low attack complexity and no user interaction, achieving full confidentiality, integrity, and availability compromise (C:H/I:H/A:H) on the affected host. No public exploit code has been identified at time of analysis, and no CISA KEV listing is present, but this kernel-level LPE class is historically high-value for post-exploitation chaining.
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.
Use-after-free (CWE-416) in the Windows Kernel enables a low-privileged local attacker to escalate privileges to SYSTEM on a broad range of Windows client and server releases. The CVSS vector (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) indicates full confidentiality, integrity, and availability compromise once triggered, though the high attack complexity (AC:H) implies a race-condition or specific timing requirement that raises the bar for reliable exploitation. Microsoft has released patches for all affected versions; no public exploit or CISA KEV listing has been identified at time of analysis.
Out-of-bounds read in the Windows Key Distribution Center (KDC) allows unauthenticated network attackers to crash the Kerberos authentication service by sending a specially crafted packet to port 88, resulting in a denial of service condition. The vulnerability spans the entire supported Windows Server portfolio from Server 2012 through Server 2025, as well as Windows 10 and 11 client builds, confirmed by EUVD-2026-73363. No public exploit code has been identified at time of analysis; however, the unauthenticated, low-complexity network attack surface makes this a high-priority patch for organizations running Active Directory, where KDC availability is a single point of failure for domain-wide Kerberos authentication.
Heap-based buffer overflow in the Microsoft Windows Graphics Component enables a locally authenticated attacker to achieve arbitrary code execution with full confidentiality, integrity, and availability impact (C:H/I:H/A:H) across a remarkably broad swath of Windows versions, spanning Server 2012 through Windows 11 26H1. The vulnerability (CWE-122) is reachable by any standard user account (PR:L) with no user interaction required, making it a reliable local privilege-escalation primitive for post-compromise attack chains. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor-released patches are available via the Microsoft Security Response Center.
Heap-based buffer overflow in Windows Error Reporting (WER) allows a low-privileged local attacker to escalate privileges to SYSTEM on affected Windows endpoints and servers. The CVSS scope change flag (S:C) indicates the exploit escapes the attacker's process boundary, achieving full C:H/I:H/A:H impact on the broader system. Patch is available from Microsoft as part of a Patch Tuesday update cycle; no public exploit or CISA KEV entry has been identified at time of analysis.
Local privilege escalation in Windows NTFS (ntfs.sys) allows a low-privileged local attacker to achieve SYSTEM-level code execution via a heap-based buffer overflow (CWE-122). The vulnerability spans virtually every supported Windows release - from Windows Server 2012 R2 through Windows 11 26H1 and Windows Server 2025 - making the affected surface exceptionally broad. No public exploit code has been identified at time of analysis, but LPE primitives in the kernel NTFS driver are a high-value post-exploitation capability routinely sought by ransomware operators and APT groups following initial access.
Heap-based buffer overflow in Windows Imaging Component (WIC) enables remote code execution across a wide range of Microsoft Windows desktop and server editions. Exploitation requires a user to open or preview a maliciously crafted image file - consistent with the UI:R CVSS metric - which triggers CWE-122 heap corruption that can be leveraged for arbitrary code execution with full confidentiality, integrity, and availability impact. The vulnerability spans Windows Server 2012 through Server 2025 and Windows 10/11 across all current servicing branches; Microsoft has issued patches for all affected release lines, and no public exploit or CISA KEV entry has been identified at time of analysis.
Out-of-bounds read in the Windows Services for NFS ONCRPC XDR Driver enables unauthenticated remote attackers to crash the affected Windows system, causing a denial-of-service condition. The flaw resides in the kernel-mode driver that processes ONC RPC (Open Network Computing Remote Procedure Call) External Data Representation (XDR) packets, meaning a specially crafted network request can trigger a memory read beyond intended buffer boundaries - most likely a kernel panic (Blue Screen of Death). The affected surface spans Windows 10, Windows 11, and Windows Server versions from 2012 through 2025; a vendor patch is available via Microsoft's update guide. No public exploit or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WBioSrvc) enables a locally authenticated low-privileged attacker to escalate to SYSTEM-level privileges with no user interaction required. The vulnerability spans Windows 10 (versions 1607 through 22H2), Windows 11 (versions 23H2 through 26H1), and Windows Server 2016 through 2025, making it one of the broadest-scope local privilege escalation issues in the current patch cycle. Microsoft has released patches across all affected branches; no public exploit code or CISA KEV active exploitation entry has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables a local attacker with low-privilege code execution to escalate to SYSTEM-level privileges across a broad range of Windows 10, Windows 11, and Windows Server releases. Exploitation requires no user interaction and no elevated starting privileges beyond a standard user session. No public exploit code or CISA KEV listing has been identified at time of analysis; Microsoft has released patches for all affected versions via the update guide at msrc.microsoft.com.
Local privilege escalation via heap-based buffer overflow (CWE-122) in the Windows Biometric Service (WBioSrvc) affects Windows 10, Windows 11, and Windows Server 2016 through 2025 across a broad range of build versions. An authorized local attacker with low privileges can trigger the overflow to corrupt heap memory and achieve SYSTEM-level access, yielding full confidentiality, integrity, and availability impact on the local machine. Microsoft has released patches through the standard Patch Tuesday cycle; no active exploitation or public proof-of-concept has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WinBio) enables a locally authenticated attacker with standard user privileges to escalate to SYSTEM-level access across a broad swath of Windows 10, Windows 11, and Windows Server editions. The vulnerability is rooted in CWE-122 (heap buffer overflow) within the service that manages biometric devices such as fingerprint readers and Windows Hello. Microsoft has released patches via the MSRC update guide; no public exploit or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (wbiosrvc) enables any authenticated local user to elevate privileges to SYSTEM across a broad range of Windows 10, Windows 11, and Windows Server releases. The CVSS 7.8 vector (AV:L/AC:L/PR:L/UI:N) reflects straightforward exploitation conditions - no complex setup or user interaction required - with full confidentiality, integrity, and availability impact on the host. Microsoft has released patches across all affected build lines; no public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation in Windows Biometric Service (WbioSrvc) affects every major Windows desktop and server release from Windows 10 1607 through Windows 11 26H1. An authenticated local user with standard (low-privilege) access can trigger a heap-based buffer overflow in the biometric service process, elevating execution to SYSTEM level and achieving full C:H/I:H/A:H compromise of the host. Microsoft has released patched builds across all affected version branches; no public exploit code or CISA KEV listing has been identified at time of analysis, but the enormous footprint of affected Windows versions across both workstation and server estates makes this a high-urgency patch candidate.
Local privilege escalation in Windows Biometric Service (WBioSrvc) allows a low-privileged authenticated local user to achieve full system compromise through a heap-based buffer overflow. The flaw affects a wide range of Windows 10, Windows 11, and Windows Server releases (2016 through 2025), making it broadly relevant across enterprise environments. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, but the low attack complexity and minimal privilege requirement make this a meaningful post-exploitation stepping stone.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a low-privileged local attacker to escalate privileges to SYSTEM without user interaction. The flaw spans virtually every supported Windows release - from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025 - making the attack surface exceptionally broad. Microsoft has released patches for all affected builds; no public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation in Windows Biometric Service via use-after-free (CWE-416) allows a low-privileged, locally authenticated attacker to gain SYSTEM-level access across a broad range of Windows client and server releases. The vulnerability spans Windows 10 through Windows 11 (multiple feature releases) and Windows Server 2016 through 2025, placing it among the widest-footprint Microsoft patch-Tuesday EoP issues. Microsoft has released fixed builds; no public exploit identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a locally authenticated low-privilege attacker to escalate to full SYSTEM-level privileges across fifteen distinct Windows 10, Windows 11, and Windows Server build configurations. The flaw (CWE-122) resides in the service's heap memory management and, given the CVSS AC:L rating, is considered straightforward to exploit once local or RDP access is established. Vendor-released patches are available for all affected build lines; no public exploit code and no CISA KEV listing have been identified at the time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WinBioSrvc) allows a locally authenticated low-privileged attacker to escalate privileges to SYSTEM level across a broad range of Windows desktop and server releases. The flaw (CWE-122) exists in a high-privilege Windows service, making it a reliable local privilege escalation primitive for post-exploitation scenarios. No public exploit identified at time of analysis, and no CISA KEV listing; Microsoft has released patches across all affected version branches.
Heap-based buffer overflow in the Windows Biometric Service (WBioSrvc) allows a locally authenticated low-privileged attacker to escalate privileges to SYSTEM level on affected endpoints and servers. The flaw (CWE-122) spans 15 distinct Windows builds from Windows 10 1607 through Windows Server 2025, making it broadly applicable across most enterprise Windows fleets. No public exploit code or active exploitation has been identified at time of analysis; Microsoft has released patches for all affected versions.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables local privilege escalation to SYSTEM on a broad range of Windows client and server platforms. An authenticated low-privileged user can trigger the overflow without user interaction, yielding full confidentiality, integrity, and availability compromise of the affected system. No public exploit code or CISA KEV listing has been identified at time of analysis, but the wide version footprint across Windows 10 through Windows 11 and Server 2016-2025 makes this a significant enterprise patching priority.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables local privilege escalation to SYSTEM on Windows 10, Windows 11, and Windows Server 2016 through 2025. An attacker with a standard local user account can trigger the overflow without user interaction, achieving full confidentiality, integrity, and availability compromise of the local system. Microsoft has released patches covering all affected versions; no public exploit code or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a low-privileged local attacker to escalate privileges to SYSTEM on affected Windows hosts. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N) confirms low-complexity local exploitation with full confidentiality, integrity, and availability impact, consistent with a service-level privilege escalation. No public exploit code or active exploitation has been identified at time of analysis; a vendor-released patch is available via Microsoft's July 2026 security update.
Heap-based buffer overflow in the Windows Biometric Framework Service enables an authenticated local attacker to escalate privileges to SYSTEM level across a broad range of Windows 10, Windows 11, and Windows Server versions. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms the flaw is straightforward to trigger with only a low-privileged local account and no user interaction, making it an effective post-compromise escalation primitive. No public exploit or CISA KEV listing is identified at time of analysis; Microsoft has released patches for all affected builds.
Heap-based buffer overflow in Windows Biometric Service (WBioSrvc) enables a low-privileged local attacker to escalate to SYSTEM-level privileges across a broad range of Windows 10, Windows 11, and Windows Server releases. The vulnerability (CWE-122) requires only a valid local account and no user interaction, making it a reliable post-exploitation stepping stone for attackers who have already obtained initial access. Microsoft has released patches across all affected build branches; no public exploit code or active exploitation has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables local privilege escalation to SYSTEM on a wide range of Windows 10, Windows 11, and Windows Server releases. Exploitation requires an authorized, low-privileged local account, after which the attacker achieves full confidentiality, integrity, and availability impact (C:H/I:H/A:H). Microsoft has released patches across all affected version branches; no public exploit has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WBioSrvc) enables local privilege escalation to SYSTEM on a broad range of Windows 10, Windows 11, and Windows Server editions. An authorized attacker with low-privilege code execution can corrupt heap memory within the biometric service process to achieve full C:H/I:H/A:H impact without any user interaction. No public exploit code has been identified at time of analysis, and Microsoft has released patches via its regular update channel.
Local privilege escalation in Windows Biometric Service affects a broad sweep of Windows 10, Windows 11, and Windows Server versions through a use-after-free memory corruption condition. An authorized local attacker with standard (low-privilege) credentials can exploit the UAF to elevate to SYSTEM-level access, achieving full confidentiality, integrity, and availability impact on the host. No public exploit or active exploitation has been identified at time of analysis, but the extensive Windows footprint and confirmed vendor patch make timely deployment a clear priority.
Heap-based buffer overflow in the Windows Biometric Service (wbiosrvc) enables a locally authenticated, low-privileged attacker to escalate privileges to SYSTEM-level on a wide range of Windows desktop and server releases, from Windows 10 Version 1607 and Server 2016 through Windows 11 Version 26H1 and Server 2025. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms the attack requires only a standard user session with no user interaction and no special complexity, making this a reliable post-exploitation LPE primitive. No public exploit code and no CISA KEV listing have been identified at time of analysis; a vendor-released patch is available via Microsoft Security Response Center.
Heap-based buffer overflow in Windows Biometric Service (WBioSrvc) enables a locally authenticated, low-privileged user to escalate to SYSTEM-level privileges on a wide range of Windows 10, Windows 11, and Windows Server 2016-2025 builds. Microsoft has confirmed the issue and released patched builds via Windows Update. No public exploit code or CISA KEV listing exists at time of analysis, but the LPE utility of this class of vulnerability makes it a standard element in post-initial-access attack chains and a meaningful enterprise patch priority.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a locally authenticated low-privileged attacker to achieve SYSTEM-level privilege escalation on any unpatched supported Windows endpoint or server. The vulnerability exists in a default-enabled service present across all supported Windows 10, Windows 11, and Windows Server 2016-2025 builds, making the affected surface essentially every managed Windows environment. No public exploit or CISA KEV listing has been identified at time of analysis; however, AC:L indicates straightforward exploitation once triggered, making this a high-priority patch target given its ubiquitous footprint and value as a post-exploitation escalation primitive.
Local privilege escalation in the Windows Device Association Service allows an authenticated local attacker to gain SYSTEM-level access via a use-after-free memory corruption condition. The vulnerability spans virtually all supported Windows desktop and server releases - from Windows 10 version 1607 through Windows 11 25H2/26H1 and Windows Server 2016 through 2025. The high complexity (AC:H) rating indicates a race-condition-dependent exploitation path, and no public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has released patches addressing all affected builds.
Privilege escalation via out-of-bounds read in Windows Remote Desktop Services affects authenticated low-privileged users across a broad range of Windows 10, Windows 11, and Windows Server releases from 2012 through 2025. An attacker holding valid low-privileged credentials can exploit the CWE-125 memory flaw over the network to achieve full system compromise, with the vendor-assessed impact reaching C:H/I:H/A:H. No public exploit or CISA KEV listing is identified at time of analysis; Microsoft has released patches across all affected build lines.
Use-after-free (CWE-416) in the Windows DNS service enables unauthenticated remote attackers to crash the DNS server, causing a denial-of-service condition across affected Windows Server and Windows 10 deployments. The vulnerability exists in DNS server processing logic where memory is freed and subsequently accessed, corrupting heap state and triggering a service crash. No public exploit code or active exploitation has been identified at time of analysis; SSVC assessment classifies exploitation as 'none' and technical impact as 'partial', consistent with a DoS-only scenario.
Privilege escalation in the Windows Biometric Service (WBS) allows a locally authenticated user to gain SYSTEM-level access by triggering a heap-based buffer overflow in the service process. The flaw spans all currently supported Windows 10, Windows 11, and Windows Server releases from 2016 through 2025, making the attack surface extremely broad. No public exploit code and no CISA KEV listing have been identified at time of analysis; vendor-released patches are available via the July 2026 Patch Tuesday cycle.
Privilege escalation to SYSTEM in Windows Biometric Service via heap-based buffer overflow (CWE-122) affects every supported Windows client and server release from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. A low-privileged local authenticated attacker can exploit the flaw with no user interaction required (CVSS AV:L/AC:L/PR:L/UI:N) to achieve full confidentiality, integrity, and availability compromise of the affected system. No public exploit code or CISA KEV listing has been identified at time of analysis; patch availability is confirmed via Microsoft MSRC.
Remote code execution in the Windows Services for NFS ONCRPC XDR driver allows an unauthenticated network attacker to execute arbitrary code by triggering a use-after-free (CWE-416) in the driver that parses ONC RPC/XDR-encoded NFS traffic. All supported Windows Server releases (2012 through 2025, including Server Core) are affected when the Services for NFS role is enabled, and Microsoft rates it critical (CVSS 9.8). No public exploit has been identified at time of analysis and it is not on CISA KEV, but the unauthenticated network vector and kernel-mode driver target make it a high patch priority.
Local privilege escalation in Windows Management Instrumentation (WMI) via a use-after-free memory corruption flaw enables any low-privileged local account holder to gain full system compromise (C:H/I:H/A:H) across a sweeping range of Windows client and server versions from Server 2012 through Windows 11 26H1. The CVSS AC:H rating reflects the heap-grooming and race-condition complexity inherent in reliable UAF exploitation. No public exploit has been identified at time of analysis, and Microsoft has released patches across all affected product lines through the MSRC advisory process.
Heap-based buffer overflow in the Windows Volume Manager Extension Driver (volmgrx-class kernel component) allows a local, low-privilege authenticated attacker to escalate privileges to SYSTEM. The vulnerability affects a sweeping range of Windows client and server releases - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making it broadly applicable across enterprise environments. No public exploit has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Out-of-bounds read (CWE-125) in the Windows DHCP Server service allows a remote unauthenticated attacker to crash the service over a network, resulting in denial of service for all DHCP-dependent clients on the affected segment. The vulnerability spans a wide range of Windows Server versions from 2012 through 2025, as well as Windows 10 1607 and 1809, and reflects Microsoft's own reporting (secure@microsoft.com). No public exploit code or CISA KEV listing has been identified at time of analysis, but the unauthenticated network attack surface and widespread deployment of Windows DHCP in enterprise environments elevate operational impact.
Local privilege escalation in Windows Installer (msiexec) affects every major Windows release from Server 2012 through Windows 11 26H1 and Server 2025, allowing a low-privileged authenticated attacker to achieve full SYSTEM-level control by winning a race condition against the installer's SYSTEM-context file operations. The vulnerability (CWE-362) requires high attack complexity due to the inherent timing constraints of race window exploitation, but no user interaction is needed once local code execution is established. Microsoft has released patches for all affected versions; no public exploit code or CISA KEV listing has been identified at time of analysis.
Out-of-bounds read (CWE-125) in the Windows DHCP Server service enables an unauthenticated remote attacker to crash the service by sending a crafted network packet, resulting in denial of DHCP service to all network clients. All actively supported Windows Server releases from 2012 through 2025 are affected, as is Windows 10 versions 1607 and 1809 with the DHCP Server role installed. Microsoft has released patches for all affected versions; no public exploit or CISA KEV listing is identified at time of analysis.
Unauthenticated remote denial-of-service in the Windows DHCP Server service across a broad range of Windows Server builds (2012 through 2025) stems from a type confusion flaw (CWE-843) in packet-processing logic. A network-adjacent or remote attacker can send a malformed DHCP packet that causes the server process to access a resource using an incompatible type, crashing the DHCP service and halting IP address assignment for all dependent clients. No active exploitation has been confirmed (not in CISA KEV) and no public proof-of-concept has been identified at time of analysis, but the zero-authentication requirement and broad version footprint make this a practical target.
Type confusion (CWE-843) in the Windows DHCP Server service enables unauthenticated remote attackers to crash or deny service to the DHCP daemon over the network. The flaw spans Windows Server 2012 through 2025 and Windows 10 builds where the DHCP Server role is installed. No public exploit or CISA KEV listing has been identified at time of analysis, but the CVSS 7.5 AV:N/AC:L/PR:N/UI:N vector signals straightforward, low-complexity network exploitation requiring no authentication.
Type confusion (CWE-843) in Windows DHCP Server enables unauthenticated remote denial of service across an extensive range of Windows Server releases, from Windows Server 2012 through Windows Server 2025. An attacker on the network can send a malformed DHCP packet that triggers incompatible type access in the DHCP service, crashing it and disrupting IP address assignment for all network clients served by that host. No public exploit code has been identified at time of analysis, but the low attack complexity and absence of authentication requirements make this a straightforward network-reachable DoS.
Unauthenticated remote denial-of-service in the Windows DHCP Server role allows network-accessible attackers to crash the DHCP service by sending malformed packets that trigger an out-of-bounds read (CWE-125). Affected versions span Windows Server 2012 through Windows Server 2025, all requiring the DHCP Server role to be installed and running. Microsoft has released patches for all supported versions; no public exploit code and no CISA KEV listing have been identified at time of analysis.
Local privilege escalation in Windows NTFS via an out-of-bounds read (CWE-125) enables a low-privileged local attacker to gain full system-level access across a broad range of Windows desktop and server releases. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires only a standard local user account with no user interaction and no special configuration. EPSS sits at 0.27% (19th percentile), suggesting limited opportunistic exploitation at this time, and no active exploitation is confirmed via CISA KEV.
Denial-of-service via out-of-bounds read in Windows DHCP Server allows a remote, unauthenticated attacker to crash the DHCP service across a broad range of Windows Server versions. Exploitation requires only network access and no authentication, making it trivially reachable by any host on a network segment served by the vulnerable DHCP role. No public exploit code or CISA KEV listing has been identified at time of analysis, but the low-complexity network vector and wide affected version range make this a credible operational risk for enterprise environments.
Out-of-bounds read in Windows DHCP Server (CWE-125) allows unauthenticated remote attackers to crash the DHCP service, denying IP address assignment to all clients on affected subnets. The vulnerability spans a wide range of Windows Server versions from 2012 through 2025, as well as Windows 10 builds with the DHCP Server role enabled. Microsoft has released patched builds; no public exploit code or CISA KEV listing has been identified at time of analysis, but the AV:N/PR:N attack surface on a critical network infrastructure service warrants prompt patching.
Local privilege escalation in the Windows Device Association Service allows a low-privileged authenticated local user to gain SYSTEM-level control across a broad range of Windows 10, Windows 11, and Windows Server releases. The root cause is CWE-763 (Release of Invalid Pointer or Reference) - a memory-safety defect in the service's pointer lifecycle management that, when triggered, enables code execution at elevated privilege. No public exploit code or active exploitation has been identified at time of analysis, but the zero-interaction, low-complexity CVSS vector makes this a high-priority patching target for any organization running unpatched Windows endpoints or servers.
Type confusion (CWE-843) in the Windows DHCP Server service allows an unauthenticated remote attacker to crash the service, causing denial of service across the network. The flaw affects all major Windows Server generations from Server 2012 through Server 2025, as well as Windows 10 versions 1607 and 1809, wherever the DHCP Server role is active. Microsoft has released patches; no public exploit or CISA KEV listing has been identified at time of analysis.
Out-of-bounds read in the Windows DHCP Server role exposes all supported Windows Server versions - from Server 2012 through Server 2025 - to unauthenticated network-based denial of service. An attacker on the network can send a specially crafted DHCP packet that triggers the CWE-125 read violation, crashing or hanging the DHCP service and severing lease renewal for all network clients served by that instance. No public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has released patches across all affected build lines.
Heap-based buffer overflow in Windows Imaging Component (WIC) enables network-delivered code execution on any Windows system where a user opens a crafted image file. The flaw affects an extremely broad surface spanning Windows Server 2012 through Windows Server 2025 and Windows 11 26H1, making it relevant to virtually every Windows-based enterprise environment. Microsoft has released patches; no public exploit or CISA KEV listing was identified at time of analysis, though the low-complexity, no-privileges-required vector is conducive to phishing-style mass targeting.
Type confusion (CWE-843) in the Windows DHCP Server service allows unauthenticated remote attackers to crash the service, causing a denial of service across affected Windows Server deployments. The flaw spans a wide range of Windows Server versions from 2012 through 2025, as well as Windows 10 builds 1607 and 1809 that run the DHCP Server role. No public exploit has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Remote code execution in the Microsoft Graphics Component (GDI/graphics stack) affects the full supported Windows line - Windows 10 (1607-22H2), Windows 11 (23H2-26H1), and Windows Server 2012 through 2025 - where a double free (CWE-415) lets a remote attacker corrupt memory and run arbitrary code. Microsoft rates it CVSS 9.8 with a fully unauthenticated network vector and full confidentiality, integrity, and availability impact. No public exploit is identified at time of analysis and it is not listed in CISA KEV, but the ubiquity of the affected component and Patch-Tuesday-class severity make it a high-priority fix.
Local privilege escalation in Windows Biometric Service (WbioSrvc) allows any low-privileged authenticated user to gain SYSTEM-level access via a null pointer dereference (CWE-476) in the Windows Biometric Framework. Affecting Windows 10 through Windows 11 26H1 and Windows Server 2016 through 2025, the flaw is present across virtually the entire modern Windows ecosystem. No public exploit identified at time of analysis; Microsoft has released patches across all affected branches.
Local privilege escalation via heap-based buffer overflow in the Windows Biometric Service (WinBio) affects a broad range of Windows 10, Windows 11, and Windows Server releases from 2016 through 2025. An authorized low-privileged local user can exploit the memory corruption flaw to achieve full SYSTEM-level code execution with high confidentiality, integrity, and availability impact. No public exploit code has been identified at time of analysis, but the broad platform footprint and straightforward CVSS vector (AC:L, PR:L, UI:N) make this a high-priority patching target for enterprise Windows environments.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) allows a locally authenticated low-privileged attacker to escalate privileges to SYSTEM on affected Windows 10, Windows 11, and Windows Server 2016 through 2025 installations. The vulnerability is exploitable with no user interaction beyond local code execution rights, and affects virtually the entire supported Windows ecosystem - from Windows 10 version 1607 through Windows 11 26H1 and all major Server SKUs. No public exploit code or CISA KEV listing has been identified at time of analysis, but a vendor-released patch is available.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables an authenticated local attacker with standard user privileges to escalate to SYSTEM-level access across a wide range of Windows releases spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. Microsoft has released patches for all fifteen affected product/version combinations via the standard Windows Update channel. No public exploit code has been identified and this CVE does not appear in the CISA KEV catalog, though the CVSS AC:L rating indicates reliable exploitation without race conditions, making this a credible post-compromise privilege escalation primitive.
Heap-based buffer overflow in the Microsoft Graphics Component enables remote code execution across a broad range of Windows client and server editions from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. An unauthenticated network-based attacker can exploit this flaw by inducing a user to interact with maliciously crafted graphical content, triggering a CWE-122 heap overflow that yields full C:H/I:H/A:H impact. No public exploit code or CISA KEV listing is identified at time of analysis; vendor patch is available via Microsoft's August 2026 Patch Tuesday.
Local privilege escalation via heap-based buffer overflow in Windows Biometric Service (WbioSrvc) affects authorized standard users across a sweeping range of Windows 10, Windows 11, and Windows Server versions from 2016 through 2025. A low-privileged local attacker can trigger the CWE-122 heap overflow to achieve full SYSTEM-level control (C:H/I:H/A:H) without user interaction. No public exploit code or active exploitation has been identified at time of analysis, though the ubiquity of the affected platform and the low attack complexity make this a meaningful post-access privilege escalation primitive.
Privilege escalation in the Windows Biometric Service (wbiosrvc) allows a locally authenticated low-privileged user to gain SYSTEM-level access via a heap-based buffer overflow. Affecting 15 distinct Windows client and server builds spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025, the flaw requires only a standard user account and no interaction from any other user. Microsoft has released patched builds across all affected product lines; no public exploit code or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service (WBioSrvc) allows a locally authenticated standard user to escalate privileges to SYSTEM on a broad range of affected Windows desktop and server editions. The flaw (CWE-122) requires only low-privilege local access with no user interaction, making it an attractive post-compromise escalation primitive. Microsoft has released patches across all affected branches; no public exploit or CISA KEV listing has been identified at time of analysis.
Stack-based buffer overflow in the Windows Graphics Component enables unauthenticated remote attackers to achieve arbitrary code execution on affected systems when a victim interacts with specially crafted graphical content. The vulnerability spans all currently supported Windows 10, Windows 11, and Windows Server editions from 2016 through 2025, making the attack surface exceptionally broad. Microsoft has released patches as part of the monthly security update cycle; no confirmed active exploitation or public proof-of-concept has been identified at time of analysis.
Local privilege escalation in Windows Biometric Service (WBioSrvc) allows a low-privileged authenticated user to gain full system control via an integer overflow or wraparound (CWE-190). Affected versions span Windows 10, Windows 11, and Windows Server 2016 through 2025, with Microsoft providing patched builds across all affected product lines. No public exploit code or CISA KEV listing was identified at time of analysis, but the low attack complexity and absence of user-interaction requirement make this a high-value post-compromise escalation primitive.
Heap-based buffer overflow in the Windows Biometric Service (WBF) enables a locally authenticated attacker to escalate privileges to SYSTEM on a wide range of Windows desktop and server versions. The flaw (CWE-122) is reachable by any standard user account and requires no user interaction, yielding full confidentiality, integrity, and availability compromise on the vulnerable host. Patch is available via Microsoft's Patch Tuesday update cycle; SSVC assessment indicates no exploitation observed and the attack is not automatable.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables any locally authenticated standard user to escalate privileges to SYSTEM across virtually all supported Windows 10, Windows 11, and Windows Server editions. The flaw (CWE-122) exploits the service's privileged execution context combined with its exposure to requests from low-privileged user sessions, yielding full confidentiality, integrity, and availability compromise of the host. Microsoft has released patched builds across all affected platforms; no active exploitation is confirmed in CISA KEV and no public exploit code has been identified at time of analysis.
Local privilege escalation in Windows Biometric Service (WinBio) allows an authenticated low-privileged user to gain full system control via a heap-based buffer overflow. The flaw spans a broad surface - Windows 10 versions 1607 through 22H2, Windows 11 versions 23H2 through 26H1, and Windows Server 2016 through 2025 - all pre-patched builds are affected. Microsoft has released security updates addressing the overflow; no public exploit code or active exploitation (CISA KEV) has been identified at time of analysis.
Heap-based buffer overflow in the Windows Biometric Service enables local privilege escalation to SYSTEM-level access across a wide range of Windows client and server releases. Any low-privileged, authorized local user can trigger the overflow without user interaction, yielding full confidentiality, integrity, and availability compromise of the affected host. Vendor patch is available from Microsoft; no public exploit has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables local privilege escalation across a wide range of Windows client and server editions from 2016 through current 2025 builds. An authenticated local attacker exploiting CWE-122 can corrupt heap memory to achieve full system-level compromise (C:H/I:H/A:H), making this a practical post-exploitation stepping stone after initial access. Microsoft has released patches for all affected versions; SSVC rates exploitation as none at time of analysis and no public exploit code has been identified.
Privilege escalation to SYSTEM-level in Windows Biometric Service (WinBioSrvc) affects virtually all supported Windows releases, from Windows 10 version 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. An authorized local attacker with low-privilege code execution can exploit a heap-based buffer overflow in the biometric service process to achieve full local compromise - gaining high confidentiality, integrity, and availability impact. No public exploit has been identified at time of analysis, and Microsoft has released patches across all 15 affected build branches as confirmed by EUVD-2026-73750.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables an authenticated local attacker with standard user privileges to escalate to SYSTEM-level access on affected Windows endpoints and servers. The vulnerability spans a broad surface - Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025 - making it relevant across virtually all enterprise Windows deployments. No public exploit code or CISA KEV listing has been identified at time of analysis, but low attack complexity (AC:L) and the wide affected version range make this a meaningful patching priority.
Privilege escalation via heap-based buffer overflow in the Windows Biometric Service (wbiosrvc) affects the full current Windows ecosystem, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. An authenticated local user can trigger the overflow to achieve full SYSTEM-level code execution, with complete confidentiality, integrity, and availability impact on the local machine. No public exploit code has been identified at time of analysis, and Microsoft has released patches across all affected build branches via the standard update guide.
Heap-based buffer overflow in the Windows Biometric Service (WinBioSrv) enables a locally authenticated standard user to escalate privileges to SYSTEM on affected Windows endpoints and servers. The vulnerability spans virtually every currently supported Windows release - from Windows 10 1607 and Server 2016 through Windows 11 26H1 and Server 2025 - making organizational exposure exceptionally broad. Microsoft has released patched builds via the standard Patch Tuesday cycle; no public exploit code or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (wbiosrvc.exe) enables a low-privileged local attacker to escalate to SYSTEM-level privileges across all major Windows 10, Windows 11, and Windows Server 2016 through 2025 releases. The flaw (CWE-122) can be triggered with low complexity and no user interaction, yielding full confidentiality, integrity, and availability impact over the affected host. No public exploit has been identified at time of analysis; Microsoft has released patches covering all affected build lines.
Heap-based buffer overflow in Windows Biometric Service (WinBio) enables a locally authenticated low-privileged user to escalate privileges to SYSTEM on affected Windows hosts. The flaw spans a wide range of Windows versions from Windows 10 1607 and Server 2016 through Windows 11 26H1 and Server 2025, representing effectively the entire current Microsoft ecosystem. Vendor-released patches are available; no public exploit code or active exploitation has been identified at time of analysis.
Local privilege escalation via heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables any authorized low-privileged user to achieve full SYSTEM-level compromise across a broad range of Windows desktop and server releases. The CVSS:3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms low-complexity local exploitation with no user interaction, yielding complete confidentiality, integrity, and availability impact. No public exploit or active exploitation (CISA KEV) has been identified at time of analysis; vendor-released patches are available.
Heap-based buffer overflow in the Windows Remote Access Connection Manager (RASMAN) service enables local code execution with full system impact on unpatched Windows 10, 11, and Server 2012-2025 systems. Any authenticated local user with low privileges can trigger the CWE-122 overflow with no user interaction, achieving high confidentiality, integrity, and availability impact - characteristic of a local privilege escalation to SYSTEM or service-level code execution. No active exploitation (KEV) or public proof-of-concept is confirmed at time of analysis; vendor patch is available via Microsoft Update.
Privilege escalation via use-after-free in Windows Remote Access Connection Manager (RASMAN) permits a locally authenticated attacker with low-level access to gain full SYSTEM-level control. The vulnerability spans virtually the entire supported Windows client and server ecosystem, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 R2 through 2025. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor patch is available.
Privilege escalation in Windows File History Service across Windows 10, Windows 11, and Windows Server 2016/2019 allows a locally authenticated low-privileged attacker to gain SYSTEM-level access by exploiting a use-after-free memory corruption flaw (CWE-416) in the service process. The CVSS 7.0 score reflects real exploitation difficulty - attack complexity is high, indicating dependence on heap layout conditions or race-condition timing typical of UAF bugs. No public exploit code or active exploitation has been identified at time of analysis, and a vendor-released patch is available from Microsoft.
Remote code execution is achievable in the Windows Work Folder Service via a CWE-190 integer overflow that allows a low-privileged authenticated attacker to trigger arbitrary code execution over the network. Affected platforms span Windows Server 2012 R2 through Windows Server 2025 and Windows 10 versions 1607 and 1809, covering the majority of actively maintained Windows Server generations. Microsoft has released patched builds for all affected versions; no public exploit or confirmed active exploitation has been identified at time of analysis.
Local privilege escalation in Windows NFS Portmapper affects virtually every supported Windows release, from Server 2012 through Windows 11 26H1, allowing a low-privileged local user to achieve 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) reflects low attack complexity once local access is established, with complete confidentiality, integrity, and availability impact. No public exploit code or CISA KEV listing has been identified at time of analysis; Microsoft has released patches across all affected versions.
Local privilege escalation in Windows Remote Access Connection Manager (RACM) exploits a use-after-free memory corruption flaw to allow an authorized low-privileged user to gain full SYSTEM-level control. The vulnerability spans an exceptionally broad range of Microsoft platforms - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making it widely applicable across enterprise environments. Microsoft has released patches addressing the flaw; no public exploit code or CISA KEV listing is present at time of analysis, though the CVSS AC:H rating suggests reliable exploitation requires a race-condition timing window.
Local privilege escalation in Windows Secure Socket Tunneling Protocol (SSTP) allows an authenticated low-privileged local attacker to achieve full SYSTEM-level control by exploiting a use-after-free (UAF) memory corruption condition in the SSTP kernel-mode driver. The vulnerability spans every currently-supported Windows client and server release, from Windows 10 1607 through Windows 11 25H2 and Windows Server 2016 through 2025. Microsoft has released patched builds for all affected platforms; no public exploit code or CISA KEV listing has been identified at time of analysis.
Unauthenticated network information disclosure in the Windows Services for NFS ONCRPC XDR Driver allows a remote attacker to obtain sensitive system information without any credentials or user interaction. The vulnerability, classified as CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere), affects a broad range of Windows versions from Server 2012 through Server 2025 and Windows 10/11 across multiple feature releases. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in CISA KEV; however, the CVSS AV:N/AC:L/PR:N/UI:N profile indicates straightforward network exploitability wherever the NFS feature is enabled.
Information disclosure in Windows Remote Desktop Protocol (RDP) exposes sensitive memory contents to unauthenticated network attackers across a vast range of Windows Server and client editions, from Server 2012 through Server 2025 and Windows 10/11. The root cause is improper null termination (CWE-170), a memory safety defect where string buffers are read beyond their intended boundary, leaking adjacent memory to a remote caller before any authentication handshake completes. No public exploit or CISA KEV listing is identified at time of analysis, but the unauthenticated network vector and breadth of affected systems make this a high-priority patch for any organization with RDP exposed.
Privilege escalation in the Windows Biometric Service (WBioSrvc) allows a locally authenticated attacker to elevate from standard user to SYSTEM-level privileges via an integer overflow or wraparound condition. The flaw spans a wide range of Windows 10, 11, and Server editions (1607 through 25H2/Server 2025), making it applicable across the majority of actively managed Windows fleets. With a CVSS 7.8 score (AV:L/AC:L/PR:L/UI:N) and low attack complexity once local access is established, this vulnerability is a realistic post-exploitation escalation primitive; no public exploit code or KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WBioSrvc) enables local privilege escalation across a broad swath of Windows 10, 11, and Server releases. An authenticated local attacker exploiting this flaw can achieve full compromise of confidentiality, integrity, and availability on the target system, consistent with elevation to SYSTEM-level privileges. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; attack complexity is rated High, limiting the practical threat pool to skilled or persistent local actors.
Privilege escalation to SYSTEM in Windows Biometric Service (wbiosrvc) allows a locally authenticated low-privileged user to fully compromise the affected Windows host via an integer overflow (CWE-190) in the biometric framework's internal processing. The flaw spans a broad surface of Microsoft Windows client and server editions from Windows 10 Version 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. Microsoft has released patches for all affected versions; no public exploit code and no CISA KEV listing have been identified at time of analysis.
Heap-based buffer overflow in the Windows Win32 Kernel Subsystem enables local privilege escalation to SYSTEM across a wide range of Microsoft Windows client and server editions. An authenticated low-privilege local user can trigger the overflow with low attack complexity and no user interaction, achieving full confidentiality, integrity, and availability compromise (C:H/I:H/A:H) on the affected host. No public exploit code has been identified at time of analysis, and no CISA KEV listing is present, but this kernel-level LPE class is historically high-value for post-exploitation chaining.