Microsoft
Monthly
Heap-based buffer overflow in the Windows HID (Human Interface Device) class kernel driver enables local privilege escalation from a standard user account to SYSTEM-level code execution. All supported Windows 10, Windows 11, and Windows Server 2012 through 2025 builds are affected, giving this vulnerability an exceptionally broad surface across virtually every enterprise Windows fleet. Microsoft has released patches for all affected versions; no public exploit code or CISA KEV listing has been identified at time of analysis.
Remote code execution in the Microsoft Windows DNS Server role (across Windows Server 2012 through 2025 and Windows 10 1607/1809) stems from a use-after-free that an unauthenticated attacker can trigger over the network, per CVSS PR:N/UI:N. Microsoft rates it 9.8 (critical) with full confidentiality, integrity, and availability impact, and a vendor patch is available. No public exploit has been identified at time of analysis and it is not listed in CISA KEV.
Heap-based buffer overflow in Windows Credential Providers enables a low-privileged authenticated attacker to execute arbitrary code over the network on affected Windows 11 and Windows Server 2025 systems. The flaw (CWE-122) is reachable via network with low complexity and no user interaction required, making it exploitable by any account holder with minimal privileges. No public exploit or CISA KEV listing has been identified at time of analysis, and a vendor patch is available.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a network-based privilege escalation by an authenticated low-privilege attacker who can trigger user interaction. The vulnerability (CWE-122) spans a broad swath of Microsoft's supported Windows ecosystem, from Windows 10 version 1607 through Windows 11 25H2 and Windows Server 2016 through 2025. Exploitation results in full compromise of confidentiality, integrity, and availability on the target system. No public exploit or CISA KEV listing is identified at time of analysis; Microsoft has released patches across all affected branches.
Local privilege escalation in Windows Hello across multiple Windows 10 and 11 versions allows an authorized low-privileged local attacker to gain full system control via a double-free memory corruption vulnerability (CWE-415). Affected builds span Windows 10 21H2/22H2 through Windows 11 26H1. Microsoft has released patched builds via the standard update channel. No public exploit code or active exploitation via CISA KEV has been identified at time of analysis.
Remote code execution in Microsoft SharePoint Server Subscription Edition allows an authenticated low-privileged network attacker to execute arbitrary code by exploiting a missing authorization check (CWE-862). The CVSS 8.8 score reflects network accessibility, low complexity, and full confidentiality, integrity, and availability impact against the affected server. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; a vendor patch is available targeting builds prior to 16.0.20326.20090.
Stack-based buffer overflow in Microsoft Word (CWE-121) enables remote code execution by enticing a user to open a maliciously crafted document, with full compromise of confidentiality, integrity, and availability. Affected products span Office 2019, 2021, and 2024 LTSC on both Windows (x86/x64) and macOS, as well as Microsoft 365 Apps for Enterprise and Word 2016. Microsoft has released patches across all affected product lines; no public exploit code has been identified and CISA KEV confirmation is absent at time of analysis.
Heap-based buffer overflow in the Windows MIDI Service Module enables a local authenticated attacker on Windows 11 to escalate privileges, with full confidentiality, integrity, and availability impact in the compromised process scope. Affected builds span three servicing tracks - 24H2, 25H2, and 26H1 - with fixed builds published by Microsoft through MSRC. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis.
Privilege escalation via untrusted pointer dereference in the Windows Group Policy component affects every active Microsoft Windows release from Server 2012 through Windows 11 26H1 and Windows Server 2025. An attacker holding a low-privileged domain account can exploit the flaw over the network when Group Policy processing is triggered, achieving high confidentiality, integrity, and availability impact equivalent to full system compromise. Microsoft has released patches across all affected branches; no CISA KEV listing or public proof-of-concept code has been identified at time of analysis.
SQL injection in Microsoft SharePoint Server Subscription Edition enables an authenticated low-privileged network attacker to escalate privileges, yielding full confidentiality, integrity, and availability compromise of the affected instance. The flaw (CWE-89) resides in insufficient neutralization of SQL special characters within SharePoint's server-side processing, allowing injected commands to reach the underlying SQL Server backend. A vendor patch is available at version 16.0.20326.20094; no public exploit has been identified at time of analysis.
Remote code execution in the Microsoft Windows DirectShow media framework arises from an out-of-bounds memory condition (classed as heap overflow, CWE-122) that lets a remote attacker run arbitrary code when a victim system processes maliciously crafted media. It affects the DirectShow component across nearly all supported Windows client and server releases (Windows 10/11, Server 2012 through Server 2025). Microsoft self-reported and has shipped patches; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Stack-based buffer overflow in the Windows Device Association Service enables an authenticated, low-privileged network attacker to escalate privileges to full system compromise across Windows 10, Windows 11, and Windows Server 2012 through 2025. The vulnerability (CWE-121) requires user interaction to trigger but delivers complete confidentiality, integrity, and availability impact upon successful exploitation. No public exploit code or active exploitation has been identified at time of analysis, and Microsoft has issued patches covering the full affected version range.
Remote code execution in the Windows Key Distribution Center (KDC) - the Kerberos authentication service running on every Active Directory domain controller - allows a low-privileged authenticated network attacker to execute arbitrary code via a use-after-free memory corruption flaw (CWE-416). Every currently-supported Windows Server release from Server 2012 through Server 2025 is affected, spanning the full breadth of enterprise Active Directory infrastructure. Microsoft has released patches with exact build-level thresholds per platform; no public exploit code and no CISA KEV listing are identified at time of analysis.
Use-after-free in the Windows Device Association Service enables a local low-privileged attacker to escalate to full system-level privileges across a wide range of Windows 10, Windows 11, and Windows Server releases. The vulnerability stems from improper memory management in the service responsible for pairing devices, where a freed memory region can be reused to redirect execution. Microsoft has released patches addressing all affected builds; no public exploit or CISA KEV listing is recorded at time of analysis, though the high-complexity (AC:H) requirement means reliable exploitation demands careful timing or race-condition abuse.
Privilege escalation in Windows Hello on Windows 10 and 11 allows an authorized local attacker to elevate privileges beyond their current security boundary by exploiting a race condition in a shared resource. The vulnerability requires high initial privileges and high attack complexity due to race timing constraints, but successful exploitation yields scope-changed full C:H/I:H/A:H impact - consistent with SYSTEM-level compromise. Microsoft has released cumulative updates for all affected Windows 10 and Windows 11 builds; no public exploit code has been identified at time of analysis.
Heap-based buffer overflow in the Windows NTFS filesystem driver allows a locally authenticated, low-privileged attacker to execute arbitrary code, most likely escalating to SYSTEM-level privileges. The vulnerability (CWE-122) affects an extraordinarily wide range of Microsoft Windows releases from Server 2012 through Server 2025 and Windows 10/11 across all current feature releases, making the aggregate exposed population very large. No public exploit code or CISA KEV active-exploitation listing has been identified at time of analysis; a vendor patch is available via Microsoft MSRC.
Privilege escalation via use-after-free (CWE-416) in the Windows Web Platform Storage component affects Windows 10, 11, and multiple Windows Server releases. An authenticated local user with standard (low) privileges can exploit a race condition in memory management to achieve full local system compromise - gaining high confidentiality, integrity, and availability impact. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, but the breadth of affected Windows versions across the enterprise install base makes patch prioritization essential.
Local privilege escalation in the Windows USB Audio Class driver (usbaudio.sys) allows a low-privileged authenticated user to gain full system control via an integer overflow. The flaw affects an exceptionally broad range of Windows releases, spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity (AC:L) and breadth of affected systems make this a meaningful enterprise patching priority.
Privilege escalation via use-after-free in the Windows Win32K kernel graphics subsystem affects every supported Windows 10/11 release and Windows Server 2012 through 2025, allowing a low-privileged authenticated attacker who can induce user interaction with crafted content to achieve full kernel-level compromise (C:H/I:H/A:H). The network attack vector reflects delivery through browser rendering or document processing pipelines that invoke Win32K GDI syscalls, rather than direct remote exploitation. No public exploit code has been identified and the vulnerability does not appear in the CISA KEV catalog at time of analysis.
Privilege escalation in Windows IP Address Management (IPAM) allows an authenticated local user on any of a broad range of unpatched Windows 10, 11, and Windows Server releases to obtain full system-level control by supplying a crafted serialized payload to the IPAM service. The vulnerability is rooted in CWE-502 (Deserialization of Untrusted Data) and carries a CVSS 3.1 base score of 7.0 under a local, high-complexity attack vector with full C:H/I:H/A:H impact. No active exploitation has been confirmed by CISA KEV and no public proof-of-concept has been identified at time of analysis, but the complete impact triad makes successful exploitation severely damaging on any affected host.
Use-after-free (UAF) in the Windows Device Association Broker service enables a local, low-privileged authenticated attacker to escalate privileges to SYSTEM or higher on a broad range of Windows 10, Windows 11, and Windows Server releases. The vulnerability (CWE-416) is consistent with a race condition in the Broker's memory management, as reflected by the AC:H metric, and exploitation yields full confidentiality, integrity, and availability impact on the local system. No public exploit code has been identified at time of analysis, but Microsoft has released patches across all affected build streams.
Use-after-free memory corruption in Windows Audio Service enables local privilege escalation across the full Windows ecosystem, from Windows 10 1607 through Windows 11 26H1 and all supported Windows Server releases from 2012 through 2025. The CVSS vector (AV:L/AC:H/PR:L) confirms a locally authenticated attacker must navigate high-complexity exploit conditions - likely a race or timing attack on the audio service's memory lifecycle - before achieving full C:H/I:H/A:H impact, including arbitrary code execution at elevated privilege. No public exploit code has been identified at time of analysis, but Microsoft has released patches for all listed affected builds.
Heap-based buffer overflow in Spaceport.sys, the Windows kernel driver for the Storage Spaces subsystem, allows a low-privileged authenticated local user to escalate privileges to SYSTEM on affected Windows hosts. The vulnerability spans an exceptionally wide range of Microsoft Windows releases, from Windows Server 2012 and Windows 10 Version 1607 through Windows 11 26H1 and Windows Server 2025. Microsoft has released patches across all affected build tracks; no public exploit code has been identified at time of analysis.
Privilege escalation via a stack-based buffer overflow in the Windows Win32K kernel subsystem affects Windows 10, Windows 11, and Windows Server 2019/2022/2025 across a wide range of release builds. A low-privilege network attacker who induces victim user interaction can achieve full confidentiality, integrity, and availability compromise of the targeted system, consistent with elevation to SYSTEM-level access. A vendor-released patch is available via Microsoft Patch Tuesday; no public exploit has been identified at time of analysis.
Heap-based buffer overflow in the Windows Encrypting File System (EFS) service enables a low-privileged authenticated attacker to elevate privileges to a higher level over a network connection. The vulnerability (CWE-122) spans virtually the entire supported Windows ecosystem - from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025 - making it a broad enterprise patching obligation. Microsoft has released cumulative updates addressing the issue; no public exploit or CISA KEV entry has been identified at time of analysis.
Privilege escalation via integer underflow in Windows USB Audio Class driver (usbaudio.sys) allows a local low-privileged user to gain SYSTEM-level access across virtually the entire Windows ecosystem. The flaw spans Windows Server 2012 through Windows 11 26H1 and Server 2025, making it a broad-surface local elevation-of-privilege issue. No public exploit code and no CISA KEV listing have been identified at time of analysis; vendor patch is available.
Stack-based buffer overflow in Microsoft Word's document-parsing engine enables network-delivered remote code execution with full system impact across all current Microsoft Office product lines on Windows and macOS. The vulnerability (CWE-121) is triggered when a user opens a specially crafted Word document, overflowing a fixed-size stack buffer and allowing an attacker to hijack control flow and execute arbitrary code in the context of the logged-in user. Affected versions span Word 2016 through Microsoft 365 Apps for Enterprise and LTSC editions on both x86/x64 Windows and macOS; patches are available per vendor advisory, and no public exploit code has been identified at time of analysis.
Heap-based buffer overflow in the Windows Kerberos implementation enables a local low-privileged attacker to escalate privileges to SYSTEM-level, achieving full confidentiality, integrity, and availability compromise of the affected host. The vulnerability spans an exceptionally wide range of Windows versions - from Windows Server 2012 through Windows Server 2025 and Windows 11 26H1 - making the exposure surface very broad. Microsoft has released patches; no public exploit code or active exploitation via CISA KEV has been identified at time of analysis.
Server-side request forgery in Microsoft SharePoint Server Subscription Edition enables an authenticated low-privilege attacker to coerce the server into issuing arbitrary HTTP requests to internal or adjacent network resources, resulting in high-impact information disclosure. The CVSS scope-change flag (S:C) confirms that exploitation can expose resources beyond the SharePoint application boundary - including internal APIs, metadata services, or intranet hosts - making this a meaningful lateral-movement enabler despite its read-only impact. No public exploit code has been identified at time of analysis, and EPSS at 0.86% (56th percentile) suggests limited opportunistic exploitation so far.
Privilege escalation in Windows Host Guardian Service (HGS) allows a low-privileged local attacker to gain SYSTEM-level access through a use-after-free memory corruption triggered by a race condition. Affected products span Windows 10 and 11 client editions alongside Windows Server 2019, 2022, and 2025, covering a broad enterprise and consumer Windows footprint across multiple build lines. Microsoft has released patches; no public exploit code or CISA KEV listing has been identified at time of analysis.
DNS response spoofing in Windows DNS Server allows unauthenticated network attackers to inject forged DNS responses by exploiting an origin validation error (CWE-346), poisoning the server's cache and redirecting downstream client resolution to attacker-controlled endpoints. All supported Windows Server releases from 2012 through 2025, plus Windows 10 versions 1607 and 1809, are confirmed affected across both full and Server Core installations. Successful cache poisoning yields full confidentiality, integrity, and availability impact - enabling credential interception, traffic redirection, and service disruption for any client relying on the compromised resolver. No public exploit identified at time of analysis, and the vulnerability is not currently listed in the CISA KEV catalog.
Remote code execution in Microsoft Office PowerPoint stems from a use-after-free memory corruption flaw (CWE-416) that enables network-based attackers to execute arbitrary code when a victim opens a crafted presentation file. All major Office editions are affected - Microsoft 365 Apps for Enterprise, Office LTSC 2021 and 2024, Office 2019, PowerPoint 2016, and multiple macOS variants - spanning a broad enterprise and consumer installed base. No public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has released patches across all affected Windows product lines.
Capture-replay exploitation of Windows Kerberos authentication enables an attacker with network access and initial credentials to bypass authentication controls and achieve remote code execution. Affected products span virtually every supported Windows client and server release from Windows Server 2012 to Windows 11 26H1 and Windows Server 2025. No public exploit or CISA KEV listing has been identified at time of analysis, but the breadth of affected platforms and Microsoft's direct disclosure make this a high-priority patching target.
Heap-based buffer overflow in Microsoft Office Word's document parsing engine enables an unauthenticated remote attacker to achieve full code execution on a victim's system when a specially crafted Word document is opened. The flaw spans all major currently-supported Office release channels on both Windows and macOS, including Microsoft 365 Apps for Enterprise, Office 2019/2021/2024 LTSC, Word 2016, and macOS editions. No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity, broad product footprint, and well-understood Office document exploitation tradecraft make this a high-priority patching candidate.
Heap-based buffer overflow in the Windows Kernel enables network-reachable remote code execution across virtually every supported Microsoft Windows release, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. The vulnerability requires no privileges from the attacker but does require user interaction (CVSS UI:R), meaning a victim must interact with attacker-controlled content before kernel-level exploitation can proceed, yielding full compromise with high confidentiality, integrity, and availability impact. No public exploit code has been identified and this vulnerability does not appear in the CISA KEV catalog at time of analysis, but the extraordinary breadth of affected OS versions and the kernel-level impact class make timely patching critical.
Privilege escalation in Windows Accounts Control allows an authorized local attacker to gain elevated system access by exploiting a use-after-free memory corruption flaw (CWE-416). The vulnerability spans a broad range of Windows 10, 11, and Windows Server editions from build 14393 through build 28000, making the exposure surface wide across enterprise and consumer deployments. Microsoft has released patches; no public exploit code or CISA KEV listing exists at time of analysis, though the AC:H vector indicates a race-condition-dependent trigger consistent with timing-sensitive UAF exploitation.
Privilege escalation through a use-after-free condition in the Windows Win32K kernel subsystem allows a low-privileged local attacker to achieve SYSTEM-level access across a wide range of Windows client and server releases, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. The flaw resides in win32k.sys, the kernel-mode driver implementing the Windows graphical subsystem (GDI/USER32), and requires high attack complexity to trigger reliably - consistent with race-condition or heap-grooming exploitation techniques. No public exploit code or active exploitation has been identified at time of analysis; a vendor-released patch is available from Microsoft MSRC.
Heap-based buffer overflow in Windows Raw Image Extension (versions 2.1.0.0 through <2.4.24.0) enables remote code execution when a victim opens or previews a specially crafted raw camera image file. The CVSS 8.8 vector (AV:N/AC:L/PR:N/UI:R) reflects that no attacker authentication is required - only user interaction with a malicious file - yielding full confidentiality, integrity, and availability impact. No public exploit code or active exploitation (CISA KEV listing) has been identified at time of analysis, but the file-parsing attack surface and high CVSS impact make this a meaningful priority for environments with photography workflows.
Local privilege escalation in the Windows Notification subsystem (CWE-416 use-after-free) affects Windows 10, Windows 11, and Windows Server 2022/2025 across a broad range of release builds. An authenticated low-privilege attacker who successfully exploits the race-condition-dependent memory corruption can achieve full SYSTEM-level control (C:H/I:H/A:H) without user interaction. No public exploit has been identified at time of analysis and the vulnerability is not listed in CISA KEV.
Use-after-free (CWE-416) in Windows Message Queuing (MSMQ) allows a locally authenticated low-privileged attacker to escalate privileges to a higher integrity level on affected Windows systems. The vulnerability spans a wide range of Windows releases from Server 2012 through Windows 11 26H1, and Microsoft has released patches across all affected build lines. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in CISA KEV.
Heap-based buffer overflow in Windows Spaceport.sys - the kernel-mode driver backing Microsoft Storage Spaces - permits an authenticated low-privileged network attacker to escalate privileges to SYSTEM-level on affected Windows hosts. The vulnerability spans virtually the entire modern Windows ecosystem, from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across multiple feature-update channels. Microsoft has released patched builds via the standard Windows Update channel; no public exploit code or CISA KEV listing has been identified at time of analysis.
Network-based privilege escalation in Microsoft Exchange Server lets an already-authenticated attacker gain higher privileges by exploiting a missing authorization check (CWE-862). Affected on-premises builds include Exchange 2016 CU23, Exchange 2019 CU14/CU15, and the Subscription Edition; Microsoft has released fixed cumulative-update builds via MSRC. No public exploit identified at time of analysis and the flaw is not on CISA KEV, but its 9.1 CVSS with scope change and full CIA impact makes it a high-priority patch for internet-facing mail infrastructure.
Heap-based buffer overflow in the Windows NTFS kernel driver (ntfs.sys) allows an unprivileged local attacker to execute arbitrary code at kernel privilege level, achieving full system compromise. Nineteen distinct Windows version/build combinations are confirmed affected, spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor patch is available via MSRC.
Remote code execution in Microsoft Office via a use-after-free (CWE-416) memory corruption flaw allows a network-adjacent or remote attacker to execute arbitrary code on the victim's machine. The attack is client-side: the attacker delivers a maliciously crafted Office document, which when opened by the user triggers the UAF condition. Affected products span the full Office family including LTSC 2021, LTSC 2024, Office 2019, Microsoft 365 Apps for Enterprise, and Mac variants; a vendor patch is available.
Windows DNS Server across multiple Windows Server versions (2012 through 2025) contains a network-exploitable integer overflow (CWE-190) that unauthenticated remote attackers can trigger to crash or hang the DNS service, causing a denial of service. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms no authentication or user interaction is required, making any exposed DNS server a direct target. No public exploit or active exploitation has been identified at time of analysis, but the ubiquity of Windows DNS in Active Directory environments and the critical downstream effects of DNS outages (authentication, name resolution, Group Policy) elevate operational risk beyond the 7.5 base score alone.
Local privilege escalation in Windows Win32K allows a low-privileged authenticated user to gain SYSTEM-level access via an out-of-bounds read in the kernel graphics subsystem. The flaw spans a remarkably wide surface - Windows Server 2012 through Server 2025 and every current Windows 10/11 feature release - making it broadly relevant across enterprise patch cycles. Microsoft has released per-version updates; no public exploit code or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Microsoft Office Outlook enables remote unauthenticated attackers to execute arbitrary code on the victim's system across multiple current Office product lines. The CVSS 8.8 vector (AV:N/AC:L/PR:N/UI:R) reflects network-accessible exploitation requiring no privilege, with the sole limiting gate being user interaction-likely opening or previewing a crafted message. No active exploitation is confirmed via CISA KEV and no public exploit code is known at time of analysis; Microsoft has released patched builds across all affected product lines.
Heap-based buffer overflow in the Windows iSCSI service allows an authenticated, network-accessible attacker with low-level privileges to execute arbitrary code on affected systems. The vulnerability spans an exceptionally broad set of Windows releases - from Server 2012 and Windows 10 through Windows 11 26H1 and Server 2025 - making patch surface management a significant operational challenge for enterprise environments. No public exploit code and no CISA KEV listing have been identified at time of analysis, but the network vector and full CIA impact yield a CVSS score of 8.8.
Heap-based buffer overflow in the Windows Connected User Experiences and Telemetry service (DiagTrack) enables low-privileged authenticated attackers to escalate privileges to SYSTEM-level over the network. Affecting Windows 10 (1809 through 22H2), Windows 11 (23H2 through 26H1), and Windows Server 2019 through 2025, the flaw carries a CVSS 8.0 rating with full CIA impact upon successful exploitation. No public exploit or active exploitation (CISA KEV) has been identified at time of analysis; Microsoft has released patches for all affected builds.
Heap-based buffer overflow in the Windows HTTP Print Provider component enables an authorized low-privilege network attacker to achieve remote code execution with full C/I/A impact on affected Windows systems. The vulnerability spans an exceptionally wide range of Microsoft operating systems from Windows Server 2012 through Windows 11 25H2/26H1 and Windows Server 2025. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, though the breadth of affected versions and high CVSS score of 8.0 make this a significant patching priority across enterprise Windows environments.
Heap-based buffer overflow in Windows Fax Service enables a low-privileged local attacker to escalate privileges to SYSTEM on a wide range of Windows client and server versions. The flaw (CWE-122) is confirmed patched by Microsoft via their monthly update cycle, with fixed build numbers available across every affected version from Windows Server 2012 through Windows 11 26H1. No public exploit code or active exploitation has been identified at time of analysis; however, the all-high C:H/I:H/A:H impact and broad platform coverage make this a meaningful patch-cycle priority for any organization running Windows Fax Service.
Stack-based buffer overflow in the Windows DHCP Server service enables network-adjacent unauthenticated attackers to achieve remote code execution across a broad range of Windows Server versions, from Server 2012 through Server 2025. The flaw (CWE-121) resides in the DHCP server's packet-processing logic, where a malformed client request can overwrite the stack frame and redirect execution - effectively granting SYSTEM-level code execution on the host. No public exploit code or CISA KEV listing has been identified at time of analysis, but patch availability from Microsoft via the MSRC is confirmed.
Privilege escalation in the Windows exFAT File System driver (CWE-125, out-of-bounds read) allows an authenticated low-privilege attacker to gain elevated rights over a network connection. All major Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025 are confirmed affected per EUVD version data. No public exploit or CISA KEV listing was identified at time of analysis, though the broad affected scope across the entire current Windows ecosystem and the high CVSS score of 8.0 make patching urgent.
Privilege escalation in Windows Resilient File System (ReFS) allows a local authenticated attacker to gain full system-level control via a CWE-125 out-of-bounds read in the ReFS kernel driver. Affected versions are Windows Server 2025 (including Server Core) up to build 10.0.26100.33438 and Windows 11 version 26H1 up to build 10.0.28000.2954. Microsoft has released patches through its security update cycle; no public exploit code or active exploitation has been identified at time of analysis.
Stack-based buffer overflow in Microsoft Access enables remote code execution when a user opens a specially crafted database file, delivering full confidentiality, integrity, and availability compromise on the vulnerable host. Affected products span all current Microsoft Office release trains - Access 2016, Office 2019, Office LTSC 2021, Office LTSC 2024, and Microsoft 365 Apps for Enterprise - representing a broad enterprise attack surface. Microsoft has released patches via its standard update channel; no public exploit code or CISA KEV listing has been identified at time of analysis.
Use-after-free in the Windows Image Acquisition (WIA) subsystem enables an authorized local attacker to escalate privileges on every supported Windows release, from Server 2012 to Windows 11 26H1. The CVSS vector (AV:L/AC:H/PR:L) places exploitation difficulty above average - a low-privileged user must trigger a race condition or specific memory-reuse timing within the WIA service - but a successful exploit yields full C:H/I:H/A:H impact, effectively granting SYSTEM-level control. No public exploit has been identified at time of analysis, and Microsoft has released patched builds across all affected version branches.
Local privilege escalation in Windows Error Reporting (WER) across virtually every supported Windows platform exploits an absolute path traversal flaw (CWE-36) to elevate a standard authenticated user to full system control. An attacker with a low-privilege local session can supply a crafted absolute path to the WER subsystem, escaping its intended directory and accessing or overwriting privileged system resources, achieving complete confidentiality, integrity, and availability impact (CVSS 7.8, AV:L/AC:L/PR:L). No active exploitation has been confirmed by CISA KEV and no public proof-of-concept has been identified at time of analysis, but the extremely wide affected product surface spanning Windows 10 through Windows 11 and Server 2012 through Server 2025 makes this a high-urgency patching item.
Local privilege escalation in the Windows Virtual Hard Disk (VHD) Miniport Driver allows a low-privileged local attacker to gain full SYSTEM-level control across a broad range of Windows 10, Windows 11, and Windows Server versions. The flaw stems from a use-after-free (CWE-416) condition in a kernel-mode driver, with high attack complexity indicating a likely race condition or specific timing requirement. Microsoft has released patches; no public exploit code or CISA KEV listing has been identified at time of analysis.
Local privilege escalation in the Windows Win32K kernel graphics driver affects every supported Windows release from Server 2012 through Windows 11 26H1, allowing a low-privileged authenticated local user to gain SYSTEM-level access. The root cause is a buffer over-read (CWE-126) in the Win32K subsystem: out-of-bounds memory reads in kernel context can expose critical kernel data structures - including address layout information - that enable a subsequent control-flow hijack to full SYSTEM privileges. No public exploit has been identified at time of analysis and the CVE is not listed in CISA KEV, though Microsoft has issued patched cumulative updates for all affected product lines.
Local privilege escalation in the Microsoft Windows Search Component allows a low-privilege authenticated local user to gain SYSTEM-level access across virtually every supported Windows release, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. The root cause is an integer overflow (CWE-190) that can corrupt memory in a privileged process context, yielding full confidentiality, integrity, and availability compromise of the local system. A vendor-released patch is available; no public exploit has been identified at time of analysis.
Remote code execution in Windows Deployment Services (WDS) exploits a use-after-free memory corruption flaw, allowing an unauthenticated network attacker to execute arbitrary code on the WDS server. Affected builds span Windows Server 2012 through 2025 and Windows 10 versions 1607 and 1809 where the WDS role is deployed. No public exploit or CISA KEV listing is identified at time of analysis, and Microsoft has released corrective patches across all affected build branches.
Privilege escalation in Windows Shell on Windows 11 (versions 23H2 through 26H1) and Windows Server 2025 stems from a use-after-free memory corruption flaw (CWE-416). An authenticated local attacker who triggers the race-condition-sensitive bug can achieve full system compromise with C:H/I:H/A:H impact, yielding effective SYSTEM-level control. No public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has confirmed and patched the issue across all affected builds as documented in EUVD-2026-73549.
Use-after-free in Windows Install Service permits local privilege escalation to SYSTEM on all actively supported Windows platforms. An authorized low-privilege local user can exploit a freed memory object in the service to corrupt heap structures and gain full control (C:H/I:H/A:H). The high attack complexity (AC:H) signals a race condition or specific timing requirement, tempering but not eliminating real-world risk; no public exploit or CISA KEV listing is identified at time of analysis.
Heap-based buffer overflow in Windows Audio Service (AudioSrv) enables local privilege escalation to SYSTEM across a broad range of Windows 10, 11, and Windows Server versions. An attacker with a standard low-privilege local account can trigger the overflow without user interaction, achieving full confidentiality, integrity, and availability impact (C:H/I:H/A:H). Microsoft has released patches for all affected product lines and no active exploitation has been confirmed at time of analysis.
Heap-based buffer overflow in Windows Hyper-V enables a low-privileged guest VM user to escape the hypervisor sandbox and execute arbitrary code on the host system. The CVSS scope-change metric (S:C) and C:H/I:H/A:H impact ratings confirm this is a full VM-escape class vulnerability, giving an attacker inside a guest complete control over the underlying Hyper-V host. Affected versions span Windows 10 1607 through Windows 11 25H2 and Windows Server 2012 through Server 2025; Microsoft has released patches via Windows Update. No public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation in Windows PrintWorkflowUserSvc affects a broad range of Windows 10, 11, and Server editions through a use-after-free memory corruption condition reachable over a network. A low-privileged authenticated attacker can exploit the vulnerability under high-complexity conditions that require user interaction, ultimately achieving C:H/I:H/A:H impact at an elevated privilege level. Microsoft has released patches across all affected product lines; no public exploit code has been identified at time of analysis.
Heap-based buffer overflow in Windows Media Foundation enables network-delivered remote code execution across virtually all supported Windows versions when a user opens a crafted media file. The CVSS:3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects low-complexity exploitation requiring no privileges but necessitating user interaction - the classic pattern of a malicious media file delivered via email, web, or file share. Affected scope spans Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025, making this a broad, high-priority patch item for nearly every enterprise environment. No public exploit or CISA KEV listing identified at time of analysis.
Local privilege escalation to SYSTEM in the Windows Search Component (WSearch) affects virtually every supported Windows client and server platform from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across all major release branches. The vulnerability stems from a use-after-free (CWE-416) memory corruption flaw that an attacker with a standard user account can trigger to execute code at elevated privilege. The high attack complexity (AC:H) in the CVSS vector indicates exploitation likely requires precise timing consistent with a race condition; no public exploit code or CISA KEV listing has been identified at time of analysis, but a vendor patch is available.
Remote code execution is possible in Windows Remote Desktop Services via a use-after-free memory corruption flaw, affecting Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025. An authenticated, network-connected attacker exploiting this flaw can achieve full compromise of confidentiality, integrity, and availability on the target system. CVSS 7.5 (AV:N/AC:H/PR:L) reflects that exploitation requires low-privilege authentication and high attack complexity, making opportunistic mass exploitation less likely; no public exploit has been identified at time of analysis.
Remote code execution in Windows iSCSI is possible due to incorrect buffer size calculation (CWE-131), affecting a broad swath of Windows releases from Server 2012 through Server 2025 and Windows 10/11 across multiple feature versions. The CVSS vector (AV:N/AC:L/PR:N/UI:R) indicates a network-reachable, unauthenticated attack path requiring some user interaction - consistent with a scenario where a victim system initiates an iSCSI connection to a malicious target. Microsoft has released patches addressing specific build thresholds across all affected Windows versions. No public exploit code or CISA KEV listing is present at time of analysis.
Privilege escalation via use-after-free in the Windows HTTP.sys kernel-mode driver allows a low-privileged authenticated attacker to gain full SYSTEM-level control over affected Windows 11 and Windows Server 2025 hosts via a network attack path. The vulnerability (CWE-416) carries CVSS 7.1 with AC:H and UI:R, indicating a race-condition-dependent exploit requiring specific concurrent conditions rather than a simple reliable trigger. No public exploit identified at time of analysis; Microsoft has released cumulative update patches for all affected builds.
Remote code execution in Microsoft's Windows Services for NFS role - specifically the ONCRPC XDR driver - allows a network attacker to trigger a use-after-free (CWE-416) and execute arbitrary code without authentication. All supported Windows Server releases from Server 2012 through Server 2025 (including Server Core installations) are affected when the Services for NFS role is present. Microsoft has released patches; no public exploit identified at time of analysis, but the CVSS 9.8 rating and unauthenticated network vector make it a high-priority patch for hosts running NFS.
Heap-based buffer overflow in the Windows Local Security Authority Server (lsasrv.dll) enables an authenticated local attacker to escalate privileges to SYSTEM on affected Windows Server 2025 and Windows 11 systems. The vulnerability resides in a core authentication and security-policy component running under the lsass.exe process, making successful exploitation effectively equivalent to full system compromise. No public exploit identified at time of analysis; vendor patch is available via Microsoft Update.
Privilege escalation via heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) affects a broad range of Windows 10, Windows 11, and Windows Server editions. An authenticated local attacker with low-privilege access can trigger the overflow to gain full control of the affected system, achieving confidentiality, integrity, and availability compromise at SYSTEM level. No public exploit code or KEV listing has been identified at time of analysis, but the patch is available from Microsoft and should be prioritized on workstations and servers where biometric authentication is in use.
Heap-based buffer overflow in the Windows Universal Disk Format File System (UDFS) kernel driver enables a low-privileged local user to escalate privileges to SYSTEM across a broad swath of Windows releases spanning Server 2012 through Windows 11 26H1 and Windows Server 2025. The flaw resides in the filesystem driver responsible for reading UDF-formatted volumes (optical media, some removable storage), and exploitation requires only a standard user account with no user interaction. Microsoft has released patches through the update guide; no public exploit code or CISA KEV listing has been identified at time of analysis.
Remote code execution in the Windows Routing and Remote Access Service (RRAS) lets network attackers run arbitrary code on affected hosts without authentication or user interaction. The flaw is a heap-based buffer overflow (CWE-122) in RRAS request handling, carrying a CVSS 9.8 and impacting the full supported Windows and Windows Server line (Windows 10/11 and Server 2012 through 2025). Microsoft has shipped fixes; no public exploit code or active-exploitation reporting has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WinBioSrvc) enables a locally authenticated, low-privileged attacker to escalate to SYSTEM-level privileges across a wide range of Windows desktop and server releases. The full C:H/I:H/A:H CVSS triad indicates complete host compromise once exploited. No public exploit has been identified at time of analysis, and Microsoft has released patched builds for all affected versions.
Remote denial-of-service in the Windows TCP/IP kernel stack allows an unauthenticated network attacker to exhaust kernel memory by sending crafted packets that trigger a memory allocation without a corresponding release (CWE-401), ultimately crashing or severely degrading affected systems. Affected releases span Windows Server 2022 and 2025, as well as Windows 11 versions 23H2 through 26H1, all with fixed builds published in the Microsoft Security Response Center update guide. No public exploit has been identified at time of analysis, and this vulnerability has not appeared in the CISA KEV catalog; however, the zero-authentication, low-complexity network vector makes the affected Windows TCP/IP stack a credible target for disruptive attacks against any internet- or network-exposed Windows deployment.
Null pointer dereference in the Windows Internet Key Exchange (IKE) Extension allows unauthenticated remote attackers to crash the IKE service and deny VPN/IPsec negotiation to legitimate users. Affected systems span Windows Server 2022, Windows Server 2025, and Windows 11 versions 23H2 through 26H1. Microsoft has released patches via the Security Response Center update guide; no public exploit code or CISA KEV listing exists at time of analysis.
Remote code execution in Microsoft Windows PDF rendering affects a broad range of Windows 10, Windows 11, and Windows Server 2016 through 2025 builds, where an integer overflow while parsing a crafted PDF wraps a size calculation and triggers a heap-based buffer overflow (CWE-122). An unauthenticated attacker who delivers a malicious PDF over the network can execute arbitrary code with the privileges of the rendering process. A vendor patch is available; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Local privilege escalation in Windows Search Component exposes virtually the entire Windows ecosystem - from legacy Server 2012 to Windows 11 26H1 - to full system compromise by any low-privileged local user. The flaw stems from an incorrect type conversion or cast (CWE-704) within the Search Component, allowing an attacker with a standard user session to escalate to SYSTEM-level privileges without user interaction. No public exploit or CISA KEV listing has been identified at time of analysis, but Microsoft has released patches covering all affected build lines.
Privilege escalation in the Windows USB Video Driver affects Windows 10, Windows 11, and Windows Server 2012 through 2025, allowing a low-privileged local attacker to elevate to SYSTEM-level access. The root cause is an integer overflow or wraparound (CWE-190) in the kernel-mode USB video driver, which under exploitation yields full confidentiality, integrity, and availability compromise of the affected host. Microsoft has released patches via the standard update channel; no public exploit code or KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WinBioSrvc) enables a locally authenticated low-privileged attacker to escalate privileges to SYSTEM on a wide range of Windows desktop and server platforms. The flaw (CWE-122) affects Windows 10 through Windows 11 and Windows Server 2016 through 2025, with Microsoft having released patches for all affected builds. No public exploit code or active exploitation has been identified at time of analysis, though the low attack complexity rating indicates reliable exploitability for a skilled attacker who has already achieved local access.
Local privilege escalation via a buffer over-read in the Windows Volume Manager Extension Driver enables authenticated local users to gain SYSTEM-level access across a broad range of Windows client and server releases. The flaw resides in a kernel-mode driver component where insufficient bounds checking during volume management operations allows reading beyond an allocated buffer, with the resulting memory condition exploitable to corrupt process tokens and elevate privileges. Microsoft has released patches across all affected branches; no public exploit code or CISA KEV listing has been confirmed at time of analysis.
Local privilege escalation in Windows Device Association Service exposes all supported Windows client and server editions to full system compromise by a low-privileged local attacker. The root cause is a use-after-free triggered through a race condition (CWE-362): concurrent access to a shared resource in the Device Association Service allows a freed memory object to be reused, enabling controlled code execution in a higher-privilege context. No public exploit or CISA KEV listing is present at time of analysis, but the breadth of affected versions - spanning Windows 10 through Windows 11 26H1 and Windows Server 2012 R2 through 2025 - makes this a high-priority patch for any environment with untrusted local users.
Heap-based buffer overflow in the Windows Biometric Service (WBS) enables local privilege escalation across a wide swath of Microsoft Windows desktop and server releases. An authorized attacker holding only standard user privileges can trigger memory corruption in the biometric authentication subsystem, likely achieving SYSTEM-level code execution. The vulnerability spans Windows 10 through Windows 11 26H1 and Windows Server 2016 through Server 2025, representing virtually the entire active Windows ecosystem; a vendor-released patch is available with no public exploit identified at time of analysis.
Remote code execution in Microsoft's Windows Message Queuing (MSMQ) service affects all supported Windows client and server releases and lets an unauthenticated remote attacker corrupt memory via a use-after-free (CWE-416) to run arbitrary code. The flaw carries a critical CVSS 9.8 with a fully remote, no-interaction, no-privilege vector. Microsoft has shipped patches; no public exploit or CISA KEV listing has been identified at time of analysis.
Privilege escalation in the Windows Kernel via a numeric truncation error that leads to a heap-based buffer overflow allows a local low-privileged attacker to gain full SYSTEM-level control. The vulnerability spans virtually the entire active Windows ecosystem - from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making the blast radius exceptionally broad. No public exploit code has been identified at time of analysis, but the low privilege requirement and full C/I/A impact make this a high-priority patch target for all Windows environments.
Local privilege escalation in the Windows Graphic Fonts subsystem allows any low-privileged, authenticated local user to gain SYSTEM-level access via a use-after-free memory corruption flaw (CWE-416). The vulnerability spans the full breadth of supported and legacy Windows releases - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making it an enterprise-wide concern. No public exploit code or CISA KEV listing is identified at time of analysis, though the broad attack surface across all modern Windows versions elevates its remediation priority significantly.
Local privilege escalation in Windows Storage Spaces Controller via a use-after-free memory corruption flaw enables an authenticated low-privilege attacker to gain SYSTEM-level access on affected Windows 10, Windows 11, and Windows Server 2016 through 2025 installations. The vulnerability (CWE-416) exists in the Storage Spaces Controller kernel driver; exploiting it yields full confidentiality, integrity, and availability impact on the local system. No public exploit code or active exploitation confirmed at time of analysis, but the breadth of affected Windows versions makes this a broad-footprint local privilege escalation risk.
Heap-based buffer overflow in the Windows HID (Human Interface Device) class kernel driver enables local privilege escalation from a standard user account to SYSTEM-level code execution. All supported Windows 10, Windows 11, and Windows Server 2012 through 2025 builds are affected, giving this vulnerability an exceptionally broad surface across virtually every enterprise Windows fleet. Microsoft has released patches for all affected versions; no public exploit code or CISA KEV listing has been identified at time of analysis.
Remote code execution in the Microsoft Windows DNS Server role (across Windows Server 2012 through 2025 and Windows 10 1607/1809) stems from a use-after-free that an unauthenticated attacker can trigger over the network, per CVSS PR:N/UI:N. Microsoft rates it 9.8 (critical) with full confidentiality, integrity, and availability impact, and a vendor patch is available. No public exploit has been identified at time of analysis and it is not listed in CISA KEV.
Heap-based buffer overflow in Windows Credential Providers enables a low-privileged authenticated attacker to execute arbitrary code over the network on affected Windows 11 and Windows Server 2025 systems. The flaw (CWE-122) is reachable via network with low complexity and no user interaction required, making it exploitable by any account holder with minimal privileges. No public exploit or CISA KEV listing has been identified at time of analysis, and a vendor patch is available.
Heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) enables a network-based privilege escalation by an authenticated low-privilege attacker who can trigger user interaction. The vulnerability (CWE-122) spans a broad swath of Microsoft's supported Windows ecosystem, from Windows 10 version 1607 through Windows 11 25H2 and Windows Server 2016 through 2025. Exploitation results in full compromise of confidentiality, integrity, and availability on the target system. No public exploit or CISA KEV listing is identified at time of analysis; Microsoft has released patches across all affected branches.
Local privilege escalation in Windows Hello across multiple Windows 10 and 11 versions allows an authorized low-privileged local attacker to gain full system control via a double-free memory corruption vulnerability (CWE-415). Affected builds span Windows 10 21H2/22H2 through Windows 11 26H1. Microsoft has released patched builds via the standard update channel. No public exploit code or active exploitation via CISA KEV has been identified at time of analysis.
Remote code execution in Microsoft SharePoint Server Subscription Edition allows an authenticated low-privileged network attacker to execute arbitrary code by exploiting a missing authorization check (CWE-862). The CVSS 8.8 score reflects network accessibility, low complexity, and full confidentiality, integrity, and availability impact against the affected server. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; a vendor patch is available targeting builds prior to 16.0.20326.20090.
Stack-based buffer overflow in Microsoft Word (CWE-121) enables remote code execution by enticing a user to open a maliciously crafted document, with full compromise of confidentiality, integrity, and availability. Affected products span Office 2019, 2021, and 2024 LTSC on both Windows (x86/x64) and macOS, as well as Microsoft 365 Apps for Enterprise and Word 2016. Microsoft has released patches across all affected product lines; no public exploit code has been identified and CISA KEV confirmation is absent at time of analysis.
Heap-based buffer overflow in the Windows MIDI Service Module enables a local authenticated attacker on Windows 11 to escalate privileges, with full confidentiality, integrity, and availability impact in the compromised process scope. Affected builds span three servicing tracks - 24H2, 25H2, and 26H1 - with fixed builds published by Microsoft through MSRC. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis.
Privilege escalation via untrusted pointer dereference in the Windows Group Policy component affects every active Microsoft Windows release from Server 2012 through Windows 11 26H1 and Windows Server 2025. An attacker holding a low-privileged domain account can exploit the flaw over the network when Group Policy processing is triggered, achieving high confidentiality, integrity, and availability impact equivalent to full system compromise. Microsoft has released patches across all affected branches; no CISA KEV listing or public proof-of-concept code has been identified at time of analysis.
SQL injection in Microsoft SharePoint Server Subscription Edition enables an authenticated low-privileged network attacker to escalate privileges, yielding full confidentiality, integrity, and availability compromise of the affected instance. The flaw (CWE-89) resides in insufficient neutralization of SQL special characters within SharePoint's server-side processing, allowing injected commands to reach the underlying SQL Server backend. A vendor patch is available at version 16.0.20326.20094; no public exploit has been identified at time of analysis.
Remote code execution in the Microsoft Windows DirectShow media framework arises from an out-of-bounds memory condition (classed as heap overflow, CWE-122) that lets a remote attacker run arbitrary code when a victim system processes maliciously crafted media. It affects the DirectShow component across nearly all supported Windows client and server releases (Windows 10/11, Server 2012 through Server 2025). Microsoft self-reported and has shipped patches; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Stack-based buffer overflow in the Windows Device Association Service enables an authenticated, low-privileged network attacker to escalate privileges to full system compromise across Windows 10, Windows 11, and Windows Server 2012 through 2025. The vulnerability (CWE-121) requires user interaction to trigger but delivers complete confidentiality, integrity, and availability impact upon successful exploitation. No public exploit code or active exploitation has been identified at time of analysis, and Microsoft has issued patches covering the full affected version range.
Remote code execution in the Windows Key Distribution Center (KDC) - the Kerberos authentication service running on every Active Directory domain controller - allows a low-privileged authenticated network attacker to execute arbitrary code via a use-after-free memory corruption flaw (CWE-416). Every currently-supported Windows Server release from Server 2012 through Server 2025 is affected, spanning the full breadth of enterprise Active Directory infrastructure. Microsoft has released patches with exact build-level thresholds per platform; no public exploit code and no CISA KEV listing are identified at time of analysis.
Use-after-free in the Windows Device Association Service enables a local low-privileged attacker to escalate to full system-level privileges across a wide range of Windows 10, Windows 11, and Windows Server releases. The vulnerability stems from improper memory management in the service responsible for pairing devices, where a freed memory region can be reused to redirect execution. Microsoft has released patches addressing all affected builds; no public exploit or CISA KEV listing is recorded at time of analysis, though the high-complexity (AC:H) requirement means reliable exploitation demands careful timing or race-condition abuse.
Privilege escalation in Windows Hello on Windows 10 and 11 allows an authorized local attacker to elevate privileges beyond their current security boundary by exploiting a race condition in a shared resource. The vulnerability requires high initial privileges and high attack complexity due to race timing constraints, but successful exploitation yields scope-changed full C:H/I:H/A:H impact - consistent with SYSTEM-level compromise. Microsoft has released cumulative updates for all affected Windows 10 and Windows 11 builds; no public exploit code has been identified at time of analysis.
Heap-based buffer overflow in the Windows NTFS filesystem driver allows a locally authenticated, low-privileged attacker to execute arbitrary code, most likely escalating to SYSTEM-level privileges. The vulnerability (CWE-122) affects an extraordinarily wide range of Microsoft Windows releases from Server 2012 through Server 2025 and Windows 10/11 across all current feature releases, making the aggregate exposed population very large. No public exploit code or CISA KEV active-exploitation listing has been identified at time of analysis; a vendor patch is available via Microsoft MSRC.
Privilege escalation via use-after-free (CWE-416) in the Windows Web Platform Storage component affects Windows 10, 11, and multiple Windows Server releases. An authenticated local user with standard (low) privileges can exploit a race condition in memory management to achieve full local system compromise - gaining high confidentiality, integrity, and availability impact. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, but the breadth of affected Windows versions across the enterprise install base makes patch prioritization essential.
Local privilege escalation in the Windows USB Audio Class driver (usbaudio.sys) allows a low-privileged authenticated user to gain full system control via an integer overflow. The flaw affects an exceptionally broad range of Windows releases, spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity (AC:L) and breadth of affected systems make this a meaningful enterprise patching priority.
Privilege escalation via use-after-free in the Windows Win32K kernel graphics subsystem affects every supported Windows 10/11 release and Windows Server 2012 through 2025, allowing a low-privileged authenticated attacker who can induce user interaction with crafted content to achieve full kernel-level compromise (C:H/I:H/A:H). The network attack vector reflects delivery through browser rendering or document processing pipelines that invoke Win32K GDI syscalls, rather than direct remote exploitation. No public exploit code has been identified and the vulnerability does not appear in the CISA KEV catalog at time of analysis.
Privilege escalation in Windows IP Address Management (IPAM) allows an authenticated local user on any of a broad range of unpatched Windows 10, 11, and Windows Server releases to obtain full system-level control by supplying a crafted serialized payload to the IPAM service. The vulnerability is rooted in CWE-502 (Deserialization of Untrusted Data) and carries a CVSS 3.1 base score of 7.0 under a local, high-complexity attack vector with full C:H/I:H/A:H impact. No active exploitation has been confirmed by CISA KEV and no public proof-of-concept has been identified at time of analysis, but the complete impact triad makes successful exploitation severely damaging on any affected host.
Use-after-free (UAF) in the Windows Device Association Broker service enables a local, low-privileged authenticated attacker to escalate privileges to SYSTEM or higher on a broad range of Windows 10, Windows 11, and Windows Server releases. The vulnerability (CWE-416) is consistent with a race condition in the Broker's memory management, as reflected by the AC:H metric, and exploitation yields full confidentiality, integrity, and availability impact on the local system. No public exploit code has been identified at time of analysis, but Microsoft has released patches across all affected build streams.
Use-after-free memory corruption in Windows Audio Service enables local privilege escalation across the full Windows ecosystem, from Windows 10 1607 through Windows 11 26H1 and all supported Windows Server releases from 2012 through 2025. The CVSS vector (AV:L/AC:H/PR:L) confirms a locally authenticated attacker must navigate high-complexity exploit conditions - likely a race or timing attack on the audio service's memory lifecycle - before achieving full C:H/I:H/A:H impact, including arbitrary code execution at elevated privilege. No public exploit code has been identified at time of analysis, but Microsoft has released patches for all listed affected builds.
Heap-based buffer overflow in Spaceport.sys, the Windows kernel driver for the Storage Spaces subsystem, allows a low-privileged authenticated local user to escalate privileges to SYSTEM on affected Windows hosts. The vulnerability spans an exceptionally wide range of Microsoft Windows releases, from Windows Server 2012 and Windows 10 Version 1607 through Windows 11 26H1 and Windows Server 2025. Microsoft has released patches across all affected build tracks; no public exploit code has been identified at time of analysis.
Privilege escalation via a stack-based buffer overflow in the Windows Win32K kernel subsystem affects Windows 10, Windows 11, and Windows Server 2019/2022/2025 across a wide range of release builds. A low-privilege network attacker who induces victim user interaction can achieve full confidentiality, integrity, and availability compromise of the targeted system, consistent with elevation to SYSTEM-level access. A vendor-released patch is available via Microsoft Patch Tuesday; no public exploit has been identified at time of analysis.
Heap-based buffer overflow in the Windows Encrypting File System (EFS) service enables a low-privileged authenticated attacker to elevate privileges to a higher level over a network connection. The vulnerability (CWE-122) spans virtually the entire supported Windows ecosystem - from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025 - making it a broad enterprise patching obligation. Microsoft has released cumulative updates addressing the issue; no public exploit or CISA KEV entry has been identified at time of analysis.
Privilege escalation via integer underflow in Windows USB Audio Class driver (usbaudio.sys) allows a local low-privileged user to gain SYSTEM-level access across virtually the entire Windows ecosystem. The flaw spans Windows Server 2012 through Windows 11 26H1 and Server 2025, making it a broad-surface local elevation-of-privilege issue. No public exploit code and no CISA KEV listing have been identified at time of analysis; vendor patch is available.
Stack-based buffer overflow in Microsoft Word's document-parsing engine enables network-delivered remote code execution with full system impact across all current Microsoft Office product lines on Windows and macOS. The vulnerability (CWE-121) is triggered when a user opens a specially crafted Word document, overflowing a fixed-size stack buffer and allowing an attacker to hijack control flow and execute arbitrary code in the context of the logged-in user. Affected versions span Word 2016 through Microsoft 365 Apps for Enterprise and LTSC editions on both x86/x64 Windows and macOS; patches are available per vendor advisory, and no public exploit code has been identified at time of analysis.
Heap-based buffer overflow in the Windows Kerberos implementation enables a local low-privileged attacker to escalate privileges to SYSTEM-level, achieving full confidentiality, integrity, and availability compromise of the affected host. The vulnerability spans an exceptionally wide range of Windows versions - from Windows Server 2012 through Windows Server 2025 and Windows 11 26H1 - making the exposure surface very broad. Microsoft has released patches; no public exploit code or active exploitation via CISA KEV has been identified at time of analysis.
Server-side request forgery in Microsoft SharePoint Server Subscription Edition enables an authenticated low-privilege attacker to coerce the server into issuing arbitrary HTTP requests to internal or adjacent network resources, resulting in high-impact information disclosure. The CVSS scope-change flag (S:C) confirms that exploitation can expose resources beyond the SharePoint application boundary - including internal APIs, metadata services, or intranet hosts - making this a meaningful lateral-movement enabler despite its read-only impact. No public exploit code has been identified at time of analysis, and EPSS at 0.86% (56th percentile) suggests limited opportunistic exploitation so far.
Privilege escalation in Windows Host Guardian Service (HGS) allows a low-privileged local attacker to gain SYSTEM-level access through a use-after-free memory corruption triggered by a race condition. Affected products span Windows 10 and 11 client editions alongside Windows Server 2019, 2022, and 2025, covering a broad enterprise and consumer Windows footprint across multiple build lines. Microsoft has released patches; no public exploit code or CISA KEV listing has been identified at time of analysis.
DNS response spoofing in Windows DNS Server allows unauthenticated network attackers to inject forged DNS responses by exploiting an origin validation error (CWE-346), poisoning the server's cache and redirecting downstream client resolution to attacker-controlled endpoints. All supported Windows Server releases from 2012 through 2025, plus Windows 10 versions 1607 and 1809, are confirmed affected across both full and Server Core installations. Successful cache poisoning yields full confidentiality, integrity, and availability impact - enabling credential interception, traffic redirection, and service disruption for any client relying on the compromised resolver. No public exploit identified at time of analysis, and the vulnerability is not currently listed in the CISA KEV catalog.
Remote code execution in Microsoft Office PowerPoint stems from a use-after-free memory corruption flaw (CWE-416) that enables network-based attackers to execute arbitrary code when a victim opens a crafted presentation file. All major Office editions are affected - Microsoft 365 Apps for Enterprise, Office LTSC 2021 and 2024, Office 2019, PowerPoint 2016, and multiple macOS variants - spanning a broad enterprise and consumer installed base. No public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has released patches across all affected Windows product lines.
Capture-replay exploitation of Windows Kerberos authentication enables an attacker with network access and initial credentials to bypass authentication controls and achieve remote code execution. Affected products span virtually every supported Windows client and server release from Windows Server 2012 to Windows 11 26H1 and Windows Server 2025. No public exploit or CISA KEV listing has been identified at time of analysis, but the breadth of affected platforms and Microsoft's direct disclosure make this a high-priority patching target.
Heap-based buffer overflow in Microsoft Office Word's document parsing engine enables an unauthenticated remote attacker to achieve full code execution on a victim's system when a specially crafted Word document is opened. The flaw spans all major currently-supported Office release channels on both Windows and macOS, including Microsoft 365 Apps for Enterprise, Office 2019/2021/2024 LTSC, Word 2016, and macOS editions. No public exploit or CISA KEV listing has been identified at time of analysis, but the low attack complexity, broad product footprint, and well-understood Office document exploitation tradecraft make this a high-priority patching candidate.
Heap-based buffer overflow in the Windows Kernel enables network-reachable remote code execution across virtually every supported Microsoft Windows release, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. The vulnerability requires no privileges from the attacker but does require user interaction (CVSS UI:R), meaning a victim must interact with attacker-controlled content before kernel-level exploitation can proceed, yielding full compromise with high confidentiality, integrity, and availability impact. No public exploit code has been identified and this vulnerability does not appear in the CISA KEV catalog at time of analysis, but the extraordinary breadth of affected OS versions and the kernel-level impact class make timely patching critical.
Privilege escalation in Windows Accounts Control allows an authorized local attacker to gain elevated system access by exploiting a use-after-free memory corruption flaw (CWE-416). The vulnerability spans a broad range of Windows 10, 11, and Windows Server editions from build 14393 through build 28000, making the exposure surface wide across enterprise and consumer deployments. Microsoft has released patches; no public exploit code or CISA KEV listing exists at time of analysis, though the AC:H vector indicates a race-condition-dependent trigger consistent with timing-sensitive UAF exploitation.
Privilege escalation through a use-after-free condition in the Windows Win32K kernel subsystem allows a low-privileged local attacker to achieve SYSTEM-level access across a wide range of Windows client and server releases, from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. The flaw resides in win32k.sys, the kernel-mode driver implementing the Windows graphical subsystem (GDI/USER32), and requires high attack complexity to trigger reliably - consistent with race-condition or heap-grooming exploitation techniques. No public exploit code or active exploitation has been identified at time of analysis; a vendor-released patch is available from Microsoft MSRC.
Heap-based buffer overflow in Windows Raw Image Extension (versions 2.1.0.0 through <2.4.24.0) enables remote code execution when a victim opens or previews a specially crafted raw camera image file. The CVSS 8.8 vector (AV:N/AC:L/PR:N/UI:R) reflects that no attacker authentication is required - only user interaction with a malicious file - yielding full confidentiality, integrity, and availability impact. No public exploit code or active exploitation (CISA KEV listing) has been identified at time of analysis, but the file-parsing attack surface and high CVSS impact make this a meaningful priority for environments with photography workflows.
Local privilege escalation in the Windows Notification subsystem (CWE-416 use-after-free) affects Windows 10, Windows 11, and Windows Server 2022/2025 across a broad range of release builds. An authenticated low-privilege attacker who successfully exploits the race-condition-dependent memory corruption can achieve full SYSTEM-level control (C:H/I:H/A:H) without user interaction. No public exploit has been identified at time of analysis and the vulnerability is not listed in CISA KEV.
Use-after-free (CWE-416) in Windows Message Queuing (MSMQ) allows a locally authenticated low-privileged attacker to escalate privileges to a higher integrity level on affected Windows systems. The vulnerability spans a wide range of Windows releases from Server 2012 through Windows 11 26H1, and Microsoft has released patches across all affected build lines. No public exploit code has been identified at time of analysis, and the vulnerability is not listed in CISA KEV.
Heap-based buffer overflow in Windows Spaceport.sys - the kernel-mode driver backing Microsoft Storage Spaces - permits an authenticated low-privileged network attacker to escalate privileges to SYSTEM-level on affected Windows hosts. The vulnerability spans virtually the entire modern Windows ecosystem, from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across multiple feature-update channels. Microsoft has released patched builds via the standard Windows Update channel; no public exploit code or CISA KEV listing has been identified at time of analysis.
Network-based privilege escalation in Microsoft Exchange Server lets an already-authenticated attacker gain higher privileges by exploiting a missing authorization check (CWE-862). Affected on-premises builds include Exchange 2016 CU23, Exchange 2019 CU14/CU15, and the Subscription Edition; Microsoft has released fixed cumulative-update builds via MSRC. No public exploit identified at time of analysis and the flaw is not on CISA KEV, but its 9.1 CVSS with scope change and full CIA impact makes it a high-priority patch for internet-facing mail infrastructure.
Heap-based buffer overflow in the Windows NTFS kernel driver (ntfs.sys) allows an unprivileged local attacker to execute arbitrary code at kernel privilege level, achieving full system compromise. Nineteen distinct Windows version/build combinations are confirmed affected, spanning Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor patch is available via MSRC.
Remote code execution in Microsoft Office via a use-after-free (CWE-416) memory corruption flaw allows a network-adjacent or remote attacker to execute arbitrary code on the victim's machine. The attack is client-side: the attacker delivers a maliciously crafted Office document, which when opened by the user triggers the UAF condition. Affected products span the full Office family including LTSC 2021, LTSC 2024, Office 2019, Microsoft 365 Apps for Enterprise, and Mac variants; a vendor patch is available.
Windows DNS Server across multiple Windows Server versions (2012 through 2025) contains a network-exploitable integer overflow (CWE-190) that unauthenticated remote attackers can trigger to crash or hang the DNS service, causing a denial of service. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms no authentication or user interaction is required, making any exposed DNS server a direct target. No public exploit or active exploitation has been identified at time of analysis, but the ubiquity of Windows DNS in Active Directory environments and the critical downstream effects of DNS outages (authentication, name resolution, Group Policy) elevate operational risk beyond the 7.5 base score alone.
Local privilege escalation in Windows Win32K allows a low-privileged authenticated user to gain SYSTEM-level access via an out-of-bounds read in the kernel graphics subsystem. The flaw spans a remarkably wide surface - Windows Server 2012 through Server 2025 and every current Windows 10/11 feature release - making it broadly relevant across enterprise patch cycles. Microsoft has released per-version updates; no public exploit code or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Microsoft Office Outlook enables remote unauthenticated attackers to execute arbitrary code on the victim's system across multiple current Office product lines. The CVSS 8.8 vector (AV:N/AC:L/PR:N/UI:R) reflects network-accessible exploitation requiring no privilege, with the sole limiting gate being user interaction-likely opening or previewing a crafted message. No active exploitation is confirmed via CISA KEV and no public exploit code is known at time of analysis; Microsoft has released patched builds across all affected product lines.
Heap-based buffer overflow in the Windows iSCSI service allows an authenticated, network-accessible attacker with low-level privileges to execute arbitrary code on affected systems. The vulnerability spans an exceptionally broad set of Windows releases - from Server 2012 and Windows 10 through Windows 11 26H1 and Server 2025 - making patch surface management a significant operational challenge for enterprise environments. No public exploit code and no CISA KEV listing have been identified at time of analysis, but the network vector and full CIA impact yield a CVSS score of 8.8.
Heap-based buffer overflow in the Windows Connected User Experiences and Telemetry service (DiagTrack) enables low-privileged authenticated attackers to escalate privileges to SYSTEM-level over the network. Affecting Windows 10 (1809 through 22H2), Windows 11 (23H2 through 26H1), and Windows Server 2019 through 2025, the flaw carries a CVSS 8.0 rating with full CIA impact upon successful exploitation. No public exploit or active exploitation (CISA KEV) has been identified at time of analysis; Microsoft has released patches for all affected builds.
Heap-based buffer overflow in the Windows HTTP Print Provider component enables an authorized low-privilege network attacker to achieve remote code execution with full C/I/A impact on affected Windows systems. The vulnerability spans an exceptionally wide range of Microsoft operating systems from Windows Server 2012 through Windows 11 25H2/26H1 and Windows Server 2025. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, though the breadth of affected versions and high CVSS score of 8.0 make this a significant patching priority across enterprise Windows environments.
Heap-based buffer overflow in Windows Fax Service enables a low-privileged local attacker to escalate privileges to SYSTEM on a wide range of Windows client and server versions. The flaw (CWE-122) is confirmed patched by Microsoft via their monthly update cycle, with fixed build numbers available across every affected version from Windows Server 2012 through Windows 11 26H1. No public exploit code or active exploitation has been identified at time of analysis; however, the all-high C:H/I:H/A:H impact and broad platform coverage make this a meaningful patch-cycle priority for any organization running Windows Fax Service.
Stack-based buffer overflow in the Windows DHCP Server service enables network-adjacent unauthenticated attackers to achieve remote code execution across a broad range of Windows Server versions, from Server 2012 through Server 2025. The flaw (CWE-121) resides in the DHCP server's packet-processing logic, where a malformed client request can overwrite the stack frame and redirect execution - effectively granting SYSTEM-level code execution on the host. No public exploit code or CISA KEV listing has been identified at time of analysis, but patch availability from Microsoft via the MSRC is confirmed.
Privilege escalation in the Windows exFAT File System driver (CWE-125, out-of-bounds read) allows an authenticated low-privilege attacker to gain elevated rights over a network connection. All major Windows client and server releases from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025 are confirmed affected per EUVD version data. No public exploit or CISA KEV listing was identified at time of analysis, though the broad affected scope across the entire current Windows ecosystem and the high CVSS score of 8.0 make patching urgent.
Privilege escalation in Windows Resilient File System (ReFS) allows a local authenticated attacker to gain full system-level control via a CWE-125 out-of-bounds read in the ReFS kernel driver. Affected versions are Windows Server 2025 (including Server Core) up to build 10.0.26100.33438 and Windows 11 version 26H1 up to build 10.0.28000.2954. Microsoft has released patches through its security update cycle; no public exploit code or active exploitation has been identified at time of analysis.
Stack-based buffer overflow in Microsoft Access enables remote code execution when a user opens a specially crafted database file, delivering full confidentiality, integrity, and availability compromise on the vulnerable host. Affected products span all current Microsoft Office release trains - Access 2016, Office 2019, Office LTSC 2021, Office LTSC 2024, and Microsoft 365 Apps for Enterprise - representing a broad enterprise attack surface. Microsoft has released patches via its standard update channel; no public exploit code or CISA KEV listing has been identified at time of analysis.
Use-after-free in the Windows Image Acquisition (WIA) subsystem enables an authorized local attacker to escalate privileges on every supported Windows release, from Server 2012 to Windows 11 26H1. The CVSS vector (AV:L/AC:H/PR:L) places exploitation difficulty above average - a low-privileged user must trigger a race condition or specific memory-reuse timing within the WIA service - but a successful exploit yields full C:H/I:H/A:H impact, effectively granting SYSTEM-level control. No public exploit has been identified at time of analysis, and Microsoft has released patched builds across all affected version branches.
Local privilege escalation in Windows Error Reporting (WER) across virtually every supported Windows platform exploits an absolute path traversal flaw (CWE-36) to elevate a standard authenticated user to full system control. An attacker with a low-privilege local session can supply a crafted absolute path to the WER subsystem, escaping its intended directory and accessing or overwriting privileged system resources, achieving complete confidentiality, integrity, and availability impact (CVSS 7.8, AV:L/AC:L/PR:L). No active exploitation has been confirmed by CISA KEV and no public proof-of-concept has been identified at time of analysis, but the extremely wide affected product surface spanning Windows 10 through Windows 11 and Server 2012 through Server 2025 makes this a high-urgency patching item.
Local privilege escalation in the Windows Virtual Hard Disk (VHD) Miniport Driver allows a low-privileged local attacker to gain full SYSTEM-level control across a broad range of Windows 10, Windows 11, and Windows Server versions. The flaw stems from a use-after-free (CWE-416) condition in a kernel-mode driver, with high attack complexity indicating a likely race condition or specific timing requirement. Microsoft has released patches; no public exploit code or CISA KEV listing has been identified at time of analysis.
Local privilege escalation in the Windows Win32K kernel graphics driver affects every supported Windows release from Server 2012 through Windows 11 26H1, allowing a low-privileged authenticated local user to gain SYSTEM-level access. The root cause is a buffer over-read (CWE-126) in the Win32K subsystem: out-of-bounds memory reads in kernel context can expose critical kernel data structures - including address layout information - that enable a subsequent control-flow hijack to full SYSTEM privileges. No public exploit has been identified at time of analysis and the CVE is not listed in CISA KEV, though Microsoft has issued patched cumulative updates for all affected product lines.
Local privilege escalation in the Microsoft Windows Search Component allows a low-privilege authenticated local user to gain SYSTEM-level access across virtually every supported Windows release, from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. The root cause is an integer overflow (CWE-190) that can corrupt memory in a privileged process context, yielding full confidentiality, integrity, and availability compromise of the local system. A vendor-released patch is available; no public exploit has been identified at time of analysis.
Remote code execution in Windows Deployment Services (WDS) exploits a use-after-free memory corruption flaw, allowing an unauthenticated network attacker to execute arbitrary code on the WDS server. Affected builds span Windows Server 2012 through 2025 and Windows 10 versions 1607 and 1809 where the WDS role is deployed. No public exploit or CISA KEV listing is identified at time of analysis, and Microsoft has released corrective patches across all affected build branches.
Privilege escalation in Windows Shell on Windows 11 (versions 23H2 through 26H1) and Windows Server 2025 stems from a use-after-free memory corruption flaw (CWE-416). An authenticated local attacker who triggers the race-condition-sensitive bug can achieve full system compromise with C:H/I:H/A:H impact, yielding effective SYSTEM-level control. No public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has confirmed and patched the issue across all affected builds as documented in EUVD-2026-73549.
Use-after-free in Windows Install Service permits local privilege escalation to SYSTEM on all actively supported Windows platforms. An authorized low-privilege local user can exploit a freed memory object in the service to corrupt heap structures and gain full control (C:H/I:H/A:H). The high attack complexity (AC:H) signals a race condition or specific timing requirement, tempering but not eliminating real-world risk; no public exploit or CISA KEV listing is identified at time of analysis.
Heap-based buffer overflow in Windows Audio Service (AudioSrv) enables local privilege escalation to SYSTEM across a broad range of Windows 10, 11, and Windows Server versions. An attacker with a standard low-privilege local account can trigger the overflow without user interaction, achieving full confidentiality, integrity, and availability impact (C:H/I:H/A:H). Microsoft has released patches for all affected product lines and no active exploitation has been confirmed at time of analysis.
Heap-based buffer overflow in Windows Hyper-V enables a low-privileged guest VM user to escape the hypervisor sandbox and execute arbitrary code on the host system. The CVSS scope-change metric (S:C) and C:H/I:H/A:H impact ratings confirm this is a full VM-escape class vulnerability, giving an attacker inside a guest complete control over the underlying Hyper-V host. Affected versions span Windows 10 1607 through Windows 11 25H2 and Windows Server 2012 through Server 2025; Microsoft has released patches via Windows Update. No public exploit code or CISA KEV listing has been identified at time of analysis.
Privilege escalation in Windows PrintWorkflowUserSvc affects a broad range of Windows 10, 11, and Server editions through a use-after-free memory corruption condition reachable over a network. A low-privileged authenticated attacker can exploit the vulnerability under high-complexity conditions that require user interaction, ultimately achieving C:H/I:H/A:H impact at an elevated privilege level. Microsoft has released patches across all affected product lines; no public exploit code has been identified at time of analysis.
Heap-based buffer overflow in Windows Media Foundation enables network-delivered remote code execution across virtually all supported Windows versions when a user opens a crafted media file. The CVSS:3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) reflects low-complexity exploitation requiring no privileges but necessitating user interaction - the classic pattern of a malicious media file delivered via email, web, or file share. Affected scope spans Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through 2025, making this a broad, high-priority patch item for nearly every enterprise environment. No public exploit or CISA KEV listing identified at time of analysis.
Local privilege escalation to SYSTEM in the Windows Search Component (WSearch) affects virtually every supported Windows client and server platform from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across all major release branches. The vulnerability stems from a use-after-free (CWE-416) memory corruption flaw that an attacker with a standard user account can trigger to execute code at elevated privilege. The high attack complexity (AC:H) in the CVSS vector indicates exploitation likely requires precise timing consistent with a race condition; no public exploit code or CISA KEV listing has been identified at time of analysis, but a vendor patch is available.
Remote code execution is possible in Windows Remote Desktop Services via a use-after-free memory corruption flaw, affecting Windows 11 (23H2, 24H2, 25H2, 26H1) and Windows Server 2025. An authenticated, network-connected attacker exploiting this flaw can achieve full compromise of confidentiality, integrity, and availability on the target system. CVSS 7.5 (AV:N/AC:H/PR:L) reflects that exploitation requires low-privilege authentication and high attack complexity, making opportunistic mass exploitation less likely; no public exploit has been identified at time of analysis.
Remote code execution in Windows iSCSI is possible due to incorrect buffer size calculation (CWE-131), affecting a broad swath of Windows releases from Server 2012 through Server 2025 and Windows 10/11 across multiple feature versions. The CVSS vector (AV:N/AC:L/PR:N/UI:R) indicates a network-reachable, unauthenticated attack path requiring some user interaction - consistent with a scenario where a victim system initiates an iSCSI connection to a malicious target. Microsoft has released patches addressing specific build thresholds across all affected Windows versions. No public exploit code or CISA KEV listing is present at time of analysis.
Privilege escalation via use-after-free in the Windows HTTP.sys kernel-mode driver allows a low-privileged authenticated attacker to gain full SYSTEM-level control over affected Windows 11 and Windows Server 2025 hosts via a network attack path. The vulnerability (CWE-416) carries CVSS 7.1 with AC:H and UI:R, indicating a race-condition-dependent exploit requiring specific concurrent conditions rather than a simple reliable trigger. No public exploit identified at time of analysis; Microsoft has released cumulative update patches for all affected builds.
Remote code execution in Microsoft's Windows Services for NFS role - specifically the ONCRPC XDR driver - allows a network attacker to trigger a use-after-free (CWE-416) and execute arbitrary code without authentication. All supported Windows Server releases from Server 2012 through Server 2025 (including Server Core installations) are affected when the Services for NFS role is present. Microsoft has released patches; no public exploit identified at time of analysis, but the CVSS 9.8 rating and unauthenticated network vector make it a high-priority patch for hosts running NFS.
Heap-based buffer overflow in the Windows Local Security Authority Server (lsasrv.dll) enables an authenticated local attacker to escalate privileges to SYSTEM on affected Windows Server 2025 and Windows 11 systems. The vulnerability resides in a core authentication and security-policy component running under the lsass.exe process, making successful exploitation effectively equivalent to full system compromise. No public exploit identified at time of analysis; vendor patch is available via Microsoft Update.
Privilege escalation via heap-based buffer overflow in the Windows Biometric Service (WbioSrvc) affects a broad range of Windows 10, Windows 11, and Windows Server editions. An authenticated local attacker with low-privilege access can trigger the overflow to gain full control of the affected system, achieving confidentiality, integrity, and availability compromise at SYSTEM level. No public exploit code or KEV listing has been identified at time of analysis, but the patch is available from Microsoft and should be prioritized on workstations and servers where biometric authentication is in use.
Heap-based buffer overflow in the Windows Universal Disk Format File System (UDFS) kernel driver enables a low-privileged local user to escalate privileges to SYSTEM across a broad swath of Windows releases spanning Server 2012 through Windows 11 26H1 and Windows Server 2025. The flaw resides in the filesystem driver responsible for reading UDF-formatted volumes (optical media, some removable storage), and exploitation requires only a standard user account with no user interaction. Microsoft has released patches through the update guide; no public exploit code or CISA KEV listing has been identified at time of analysis.
Remote code execution in the Windows Routing and Remote Access Service (RRAS) lets network attackers run arbitrary code on affected hosts without authentication or user interaction. The flaw is a heap-based buffer overflow (CWE-122) in RRAS request handling, carrying a CVSS 9.8 and impacting the full supported Windows and Windows Server line (Windows 10/11 and Server 2012 through 2025). Microsoft has shipped fixes; no public exploit code or active-exploitation reporting has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WinBioSrvc) enables a locally authenticated, low-privileged attacker to escalate to SYSTEM-level privileges across a wide range of Windows desktop and server releases. The full C:H/I:H/A:H CVSS triad indicates complete host compromise once exploited. No public exploit has been identified at time of analysis, and Microsoft has released patched builds for all affected versions.
Remote denial-of-service in the Windows TCP/IP kernel stack allows an unauthenticated network attacker to exhaust kernel memory by sending crafted packets that trigger a memory allocation without a corresponding release (CWE-401), ultimately crashing or severely degrading affected systems. Affected releases span Windows Server 2022 and 2025, as well as Windows 11 versions 23H2 through 26H1, all with fixed builds published in the Microsoft Security Response Center update guide. No public exploit has been identified at time of analysis, and this vulnerability has not appeared in the CISA KEV catalog; however, the zero-authentication, low-complexity network vector makes the affected Windows TCP/IP stack a credible target for disruptive attacks against any internet- or network-exposed Windows deployment.
Null pointer dereference in the Windows Internet Key Exchange (IKE) Extension allows unauthenticated remote attackers to crash the IKE service and deny VPN/IPsec negotiation to legitimate users. Affected systems span Windows Server 2022, Windows Server 2025, and Windows 11 versions 23H2 through 26H1. Microsoft has released patches via the Security Response Center update guide; no public exploit code or CISA KEV listing exists at time of analysis.
Remote code execution in Microsoft Windows PDF rendering affects a broad range of Windows 10, Windows 11, and Windows Server 2016 through 2025 builds, where an integer overflow while parsing a crafted PDF wraps a size calculation and triggers a heap-based buffer overflow (CWE-122). An unauthenticated attacker who delivers a malicious PDF over the network can execute arbitrary code with the privileges of the rendering process. A vendor patch is available; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV.
Local privilege escalation in Windows Search Component exposes virtually the entire Windows ecosystem - from legacy Server 2012 to Windows 11 26H1 - to full system compromise by any low-privileged local user. The flaw stems from an incorrect type conversion or cast (CWE-704) within the Search Component, allowing an attacker with a standard user session to escalate to SYSTEM-level privileges without user interaction. No public exploit or CISA KEV listing has been identified at time of analysis, but Microsoft has released patches covering all affected build lines.
Privilege escalation in the Windows USB Video Driver affects Windows 10, Windows 11, and Windows Server 2012 through 2025, allowing a low-privileged local attacker to elevate to SYSTEM-level access. The root cause is an integer overflow or wraparound (CWE-190) in the kernel-mode USB video driver, which under exploitation yields full confidentiality, integrity, and availability compromise of the affected host. Microsoft has released patches via the standard update channel; no public exploit code or KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WinBioSrvc) enables a locally authenticated low-privileged attacker to escalate privileges to SYSTEM on a wide range of Windows desktop and server platforms. The flaw (CWE-122) affects Windows 10 through Windows 11 and Windows Server 2016 through 2025, with Microsoft having released patches for all affected builds. No public exploit code or active exploitation has been identified at time of analysis, though the low attack complexity rating indicates reliable exploitability for a skilled attacker who has already achieved local access.
Local privilege escalation via a buffer over-read in the Windows Volume Manager Extension Driver enables authenticated local users to gain SYSTEM-level access across a broad range of Windows client and server releases. The flaw resides in a kernel-mode driver component where insufficient bounds checking during volume management operations allows reading beyond an allocated buffer, with the resulting memory condition exploitable to corrupt process tokens and elevate privileges. Microsoft has released patches across all affected branches; no public exploit code or CISA KEV listing has been confirmed at time of analysis.
Local privilege escalation in Windows Device Association Service exposes all supported Windows client and server editions to full system compromise by a low-privileged local attacker. The root cause is a use-after-free triggered through a race condition (CWE-362): concurrent access to a shared resource in the Device Association Service allows a freed memory object to be reused, enabling controlled code execution in a higher-privilege context. No public exploit or CISA KEV listing is present at time of analysis, but the breadth of affected versions - spanning Windows 10 through Windows 11 26H1 and Windows Server 2012 R2 through 2025 - makes this a high-priority patch for any environment with untrusted local users.
Heap-based buffer overflow in the Windows Biometric Service (WBS) enables local privilege escalation across a wide swath of Microsoft Windows desktop and server releases. An authorized attacker holding only standard user privileges can trigger memory corruption in the biometric authentication subsystem, likely achieving SYSTEM-level code execution. The vulnerability spans Windows 10 through Windows 11 26H1 and Windows Server 2016 through Server 2025, representing virtually the entire active Windows ecosystem; a vendor-released patch is available with no public exploit identified at time of analysis.
Remote code execution in Microsoft's Windows Message Queuing (MSMQ) service affects all supported Windows client and server releases and lets an unauthenticated remote attacker corrupt memory via a use-after-free (CWE-416) to run arbitrary code. The flaw carries a critical CVSS 9.8 with a fully remote, no-interaction, no-privilege vector. Microsoft has shipped patches; no public exploit or CISA KEV listing has been identified at time of analysis.
Privilege escalation in the Windows Kernel via a numeric truncation error that leads to a heap-based buffer overflow allows a local low-privileged attacker to gain full SYSTEM-level control. The vulnerability spans virtually the entire active Windows ecosystem - from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making the blast radius exceptionally broad. No public exploit code has been identified at time of analysis, but the low privilege requirement and full C/I/A impact make this a high-priority patch target for all Windows environments.
Local privilege escalation in the Windows Graphic Fonts subsystem allows any low-privileged, authenticated local user to gain SYSTEM-level access via a use-after-free memory corruption flaw (CWE-416). The vulnerability spans the full breadth of supported and legacy Windows releases - from Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making it an enterprise-wide concern. No public exploit code or CISA KEV listing is identified at time of analysis, though the broad attack surface across all modern Windows versions elevates its remediation priority significantly.
Local privilege escalation in Windows Storage Spaces Controller via a use-after-free memory corruption flaw enables an authenticated low-privilege attacker to gain SYSTEM-level access on affected Windows 10, Windows 11, and Windows Server 2016 through 2025 installations. The vulnerability (CWE-416) exists in the Storage Spaces Controller kernel driver; exploiting it yields full confidentiality, integrity, and availability impact on the local system. No public exploit code or active exploitation confirmed at time of analysis, but the breadth of affected Windows versions makes this a broad-footprint local privilege escalation risk.