Privilege escalation via out-of-bounds read in the Windows Virtual Hard Disk (VHD) Miniport Driver affects a broad range of Windows 10, Windows 11, and Windows Server releases from Server 2012 through Server 2025. An authorized local attacker exploiting this CWE-125 flaw can achieve full control of the affected system - gaining high confidentiality, integrity, and availability impact - by reading kernel memory beyond legitimate buffer boundaries within the driver. No public exploit code has been identified at time of analysis, but the breadth of affected Windows builds and low attack complexity make this a significant enterprise patching priority.
Privilege escalation to SYSTEM in Windows Biometric Service (wbiosrvc) allows a locally authenticated low-privileged user to fully compromise the affected Windows host via an integer overflow (CWE-190) in the biometric framework's internal processing. The flaw spans a broad surface of Microsoft Windows client and server editions from Windows 10 Version 1607 through Windows 11 26H1 and Windows Server 2016 through 2025. Microsoft has released patches for all affected versions; no public exploit code and no CISA KEV listing have been identified at time of analysis.
Local privilege escalation in Windows Spaceport.sys - the kernel-mode Storage Spaces driver - allows a low-privileged authenticated local user to achieve SYSTEM-level control on Windows 11 and Windows Server 2022/2025 systems. The driver performs an out-of-bounds read (CWE-125) that can expose kernel memory contents and serve as a stepping stone to full kernel-level code execution, yielding high confidentiality, integrity, and availability impact. Microsoft has released patched builds via Windows Update; no public exploit or active exploitation confirmed at time of analysis.
Heap-based buffer overflow in the Windows Print Spooler Components (spoolsv.exe) enables a locally authenticated, low-privileged attacker to escalate privileges to SYSTEM on affected Windows hosts. The flaw spans an exceptionally wide swath of Microsoft's product portfolio - from legacy Windows Server 2012 through current Windows 11 26H1 and Windows Server 2025 - making patch coverage a substantial operational challenge. Microsoft has released fixes via its update guide; no public exploit or CISA KEV listing has been identified at time of analysis, but the component's history of critical vulnerabilities (PrintNightmare, etc.) makes it a high-priority patching target.
Local privilege escalation in Windows Win32K - the kernel-mode graphics and windowing subsystem - allows a low-privileged local user to gain SYSTEM-level access via an out-of-bounds read (CWE-125). The vulnerability spans virtually every supported Windows release from Server 2012 through Windows 11 26H1 and Windows Server 2025. Microsoft has released patches; no public exploit code or CISA KEV listing has been identified at time of analysis, though Win32K LPE flaws are historically high-value targets for post-exploitation privilege escalation chains.
Heap-based buffer overflow in the Windows Encrypting File System (EFS) component enables a locally authenticated attacker to escalate privileges to SYSTEM level. The vulnerability spans virtually the entire modern Windows ecosystem - from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor patch is available via MSRC.
Heap-based buffer overflow in the Windows Kerberos authentication subsystem, triggered by a numeric truncation error, enables a locally authenticated attacker with standard user privileges to escalate to SYSTEM-level access on all major supported Windows releases. The CVSS vector (AV:L/AC:L/PR:L/UI:N) indicates low attack complexity and no user interaction required once local code execution is achieved, yielding full confidentiality, integrity, and availability impact. Microsoft has released patches for all affected versions; no public exploit code has been identified at time of analysis.
Heap-based buffer overflow in Windows Credential Providers enables a locally authenticated, low-privileged user to escalate to SYSTEM-level privileges across a broad range of Windows 10, 11, and Windows Server releases. The CWE-122 flaw resides in the credential provider subsystem, requiring no user interaction and no elevated starting privileges, making it a reliable post-compromise escalation primitive for multi-stage attacks. No public exploit code or active exploitation has been confirmed at time of analysis; a vendor patch from Microsoft is available covering all affected branches.
Heap-based buffer overflow in Windows Biometric Service (WbioSrvc) enables local privilege escalation to SYSTEM on a broad range of unpatched Windows 10, Windows 11, and Windows Server releases. An authenticated local attacker can trigger the overflow via a crafted biometric request, achieving full compromise of confidentiality, integrity, and availability (C:H/I:H/A:H). Microsoft has released patches across all affected version lines; no public exploit code or CISA KEV listing has been identified at time of analysis.
Local privilege escalation in Windows Biometric Service (WbioSrvc) allows a low-privileged authenticated local user to gain SYSTEM-level control via a heap-based buffer overflow triggered by an integer overflow or wraparound. The flaw affects a wide sweep of Windows releases - from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025 - making the attack surface nearly universal across modern Windows deployments. No public exploit code or active exploitation has been identified at time of analysis, but vendor patch is available and should be prioritized given the full C:H/I:H/A:H impact after a successful escalation.
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.
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 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.
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 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.
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.
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.
Heap-based buffer overflow in the Windows USB Audio Class kernel driver (usbaudio.sys) enables a locally authenticated, low-privileged attacker to escalate privileges to SYSTEM on affected Windows hosts. The vulnerability spans virtually every supported Windows release from Server 2012 through Windows 11 26H1 and requires no user interaction beyond the attacker's own session. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor patch is available via Microsoft Update.
Privilege escalation via an out-of-bounds read in the Windows NTFS kernel driver (CWE-125) enables a local attacker with standard user-level access to gain SYSTEM-level control of the affected host. The vulnerability spans an exceptionally broad range of Windows versions - from Windows 10 1607 and Windows Server 2012 through Windows 11 26H1 and Windows Server 2025 - making virtually every unpatched Windows environment in the field potentially exposed. Microsoft has confirmed and released patches via MSRC; no public exploit code or CISA KEV active-exploitation listing has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WinBioSvc) enables a low-privileged local attacker to escalate privileges to SYSTEM level. The vulnerability (CWE-122) affects an extremely wide surface - fifteen distinct Windows 10, Windows 11, and Windows Server release trains from Server 2016 through Server 2025 - making it relevant to virtually every Windows enterprise environment. No public exploit code or CISA KEV listing has been identified at time of analysis; Microsoft has released patches through Windows Update.
Privilege escalation in Windows Remote Desktop Services exploits an untrusted pointer dereference (CWE-822) to allow a locally authenticated low-privileged attacker to gain full system control (C:H/I:H/A:H). The flaw affects a broad swath of Windows versions from Server 2012 through Server 2025 and Windows 10/11 across multiple feature update branches. No public exploit code or active exploitation has been identified at time of analysis, but Microsoft has released patches via the standard update cycle.
Heap-based buffer overflow in the Windows Volume Shadow Copy driver (VOLSNAP.SYS) enables a low-privileged local attacker to execute arbitrary code at kernel privilege, achieving full system compromise (C:H/I:H/A:H). Affected scope spans virtually all supported Windows releases from Server 2012 through Windows 11 25H2 and Server 2025, making this a broad-footprint local privilege escalation. No public exploit has been identified at time of analysis, but Microsoft has released patches across all affected product lines.
Heap-based buffer overflow in the Windows Distributed File System (DFS) component allows a locally authenticated attacker to escalate privileges to SYSTEM-level access on affected Windows clients and servers. The vulnerability spans an exceptionally broad range of Microsoft Windows releases, from Windows 10 version 1607 and Windows Server 2012 through the most current Windows 11 26H1 and Windows Server 2025 builds. No public exploit code or CISA KEV listing has been identified at time of analysis, and Microsoft has released patches for all affected versions.
Local privilege escalation in the Windows Kernel Mode Driver affects virtually all current and several end-of-life Windows releases, from Server 2012 through Windows 11 26H1 and Server 2025. A low-privileged local attacker can trigger an integer underflow/wraparound in the kernel driver that manifests as a heap-based buffer overflow (CWE-122) in ring-0, enabling elevation to SYSTEM. No public exploit or CISA KEV listing is identified at time of analysis, but the extremely broad Windows footprint, low attack complexity, and no user-interaction requirement make this a high-priority cumulative update target.
Heap-based buffer overflow in the Windows Volume Shadow Copy driver (VOLSNAP.SYS) enables a locally authenticated attacker to escalate privileges to SYSTEM level. The flaw affects a broad swath of Windows releases - from Windows Server 2012 through Windows Server 2025 and Windows 10/11 across multiple feature-update channels - making it relevant to virtually any unpatched Windows environment. Microsoft has released corrective builds addressing the vulnerability, with no public exploit or active exploitation observed at time of analysis.
Privilege escalation in the Windows Volume Manager Driver allows a local authenticated user to gain SYSTEM-level access via an integer overflow/wraparound in the kernel-mode driver. The vulnerability spans virtually every supported and extended-support Windows release, from Windows Server 2012 through Windows Server 2025 and Windows 11 26H1. Microsoft has released patches; no public exploit identified at time of analysis, though the low-complexity, no-interaction profile makes this a high-value post-exploitation primitive.
Heap-based buffer overflow in the Windows Storage Management Provider enables a locally authenticated attacker to escalate privileges to SYSTEM-level on affected hosts. The vulnerability (CWE-122) spans virtually the entire Windows ecosystem - from Windows 10 1607 through Windows 11 26H1 and Windows Server 2012 through Server 2025 - making its attack surface exceptionally broad. No public exploit or CISA KEV listing has been identified at time of analysis, but Microsoft has released patches across all affected branches.
Heap-based buffer overflow in Windows Biometric Service (WinBioSrvc) enables local privilege escalation to SYSTEM on a wide range of Windows client and server platforms. An authorized local user with standard (PR:L) privileges can exploit this without user interaction, achieving full C:H/I:H/A:H impact on the vulnerable host. No public exploit or active CISA KEV listing is confirmed at time of analysis; the vendor patch is available via Microsoft's Patch Tuesday release cycle.
Heap-based buffer overflow in the Win32K kernel subsystem (CWE-122) on Windows 11 and Windows Server 2025 enables a low-privileged local attacker to escalate to SYSTEM-level privileges. Affected builds span Windows 11 24H2, 25H2, and 26H1 as well as Windows Server 2025 and its Server Core variant, per EUVD-2026-73467. Microsoft has released patches addressing all affected versions; no public exploit or CISA KEV listing has been identified at time of analysis.
Heap-based buffer overflow in Windows Biometric Service (WinBioSvc) enables an authenticated local attacker to escalate privileges on a broad range of Windows client and server releases. The flaw (CWE-122) requires only a low-privileged local session and no user interaction, making it a reliable second-stage payload in multi-step attack chains. Microsoft has released patches across all affected build lines; no public exploit code or CISA KEV listing has been identified at time of analysis.
Local privilege escalation in the Windows NTFS driver affects every supported Windows release from Server 2012 through Windows 11 25H2, allowing an authenticated local user to gain SYSTEM-level access. The root cause is an out-of-bounds read (CWE-125) in the NTFS kernel driver, which an attacker can trigger without user interaction once they have a local user session. Microsoft has released patched builds via Windows Update and the MSRC advisory; the breadth of affected versions - spanning client and server SKUs across more than a decade of releases - makes patch deployment the immediate priority.
Local privilege escalation in the Windows USB Audio Class kernel driver (usbaudio.sys) is achievable by any standard local user via a heap-based buffer overflow (CWE-122). The flaw spans nearly every supported Windows release from Server 2012 through Windows 11 26H1, making the attack surface extremely broad. An attacker who already holds a low-privileged local account can exploit this with low complexity and no user interaction to gain full control of the machine; no public exploit or active exploitation is confirmed at time of analysis.
Local privilege escalation in the Windows Biometric Service (WbioSrvc) allows a low-privileged authenticated local user to gain full SYSTEM-level control via a CWE-190 integer overflow that leads to memory corruption. The vulnerability spans a broad swath of Windows desktop and server releases - from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025 - making the exposure surface very wide. No public exploit code or CISA KEV listing has been identified at time of analysis; the issue was reported through Microsoft's MSRC channel and a vendor patch is available.
Privilege escalation via an out-of-bounds read in the Windows USB Driver affects a broad range of Windows client and server editions, enabling a locally authenticated low-privilege attacker to gain full SYSTEM-level control without user interaction. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects low attack complexity with no special setup required beyond a valid local session. No public exploit code or CISA KEV listing has been identified at time of analysis, though the ubiquitous Windows footprint and accessibility of the USB driver to standard user accounts make this a credible post-compromise privilege escalation primitive.
Privilege escalation in Microsoft Standard XPS (XML Paper Specification) on Windows allows a low-privileged local attacker to gain full system access via an integer underflow (CWE-191) that triggers memory corruption. The flaw affects a broad swath of Windows releases from Server 2012 through Windows 11 26H1. Microsoft has released patches across all affected branches; no public exploit or CISA KEV listing exists at time of analysis.
Privilege escalation in Microsoft Standard XPS (XML Paper Specification), a document processing and print pipeline component embedded across Windows desktop and server editions, allows a locally authenticated low-privileged user to achieve full system compromise. The heap-based buffer overflow (CWE-122) produces high confidentiality, integrity, and availability impact (C:H/I:H/A:H) consistent with SYSTEM-level takeover. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor patch is available via Windows Update.
Heap-based buffer overflow in the Windows Program Compatibility Assistant (PCA) Service enables a locally authenticated, low-privileged attacker to escalate privileges to SYSTEM on affected Windows endpoints. The flaw spans an exceptionally broad swath of Microsoft's Windows ecosystem - from Windows 10 version 1607 and Windows Server 2012 through current Windows 11 and Server 2025 releases - making it a high-priority local escalation primitive across enterprise environments. No public exploit code and no CISA KEV listing exist at time of analysis, though the low-complexity, no-user-interaction CVSS vector renders this a realistic post-compromise escalation step requiring no special conditions beyond a standard user session.
Heap-based buffer overflow in Windows Storage Spaces Controller (CWE-122) enables a local attacker with low-privilege access to achieve full code execution at SYSTEM level on affected Windows hosts. Spanning the entire currently supported Windows ecosystem - from Windows 10 1607 and Server 2016 through Windows 11 26H1 and Server 2025 - the vulnerability's reach is exceptionally broad, though exploitation is bounded by the requirement for an existing local foothold. Microsoft has released patched builds for all affected versions; no public exploit code or CISA KEV listing has been identified at time of analysis.
Local privilege escalation in Windows Push Notifications affects Windows 10, Windows 11, and Windows Server 2022/2025 via a use-after-free (CWE-416) memory corruption flaw, allowing a low-privileged authenticated local user to obtain SYSTEM-level execution. The vulnerability spans nine distinct Windows release branches - including server editions - broadening the enterprise attack surface. No public exploit code or CISA KEV listing has been identified at time of analysis; however, LPE primitives of this class are routinely integrated into post-initial-access attack chains.
Local privilege escalation via use-after-free (CWE-416) affects a broad swath of Microsoft Windows Server and Windows 10/11 releases, allowing an authenticated low-privilege attacker to gain SYSTEM-level access without user interaction. The CVSS vector (AV:L/AC:L/PR:L/UI:N) confirms exploitation requires only a standard local account and no special configuration, making this a practical post-exploitation stepping stone in any multi-user or RDP-exposed Windows environment. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, but the low attack complexity and Microsoft authorship of the report (secure@microsoft.com) suggest internal discovery and coordinated patch release.
Use-after-free in the Windows VHD miniport driver enables a locally authenticated, low-privileged attacker to escalate privileges to SYSTEM-level access on affected Windows systems. The flaw is present across a broad range of Windows versions - from Windows 10 1809 and Server 2019 through Windows 11 25H2 and Server 2025 - making the attack surface extremely wide. Microsoft has released patches via its standard Patch Tuesday update mechanism; no public exploit code or active exploitation has been identified at time of analysis.
Local privilege escalation in Windows Virtualization-Based Security (VBS) Enclave exposes authenticated local attackers to full system compromise via an untrusted pointer dereference (CWE-822). Affected platforms include Windows 11 versions 23H2 through 26H1 and Windows Server 2025 in both standard and Server Core configurations, with Microsoft confirming a patch is available. No public exploit code or active exploitation has been identified at time of analysis, but the low attack complexity (AC:L) makes post-access escalation straightforward for any attacker holding a standard local session.
Privilege escalation in the Windows Kernel Streaming WOW Thunk Service Driver exposes multiple Windows 10, Windows 11, and Windows Server 2025 builds to local SYSTEM-level compromise through CWE-822 untrusted pointer dereference. A low-privileged local attacker can craft an IOCTL that causes the driver to dereference an attacker-controlled pointer value in kernel context, yielding full system takeover. Microsoft has released patched builds across all affected versions; no public exploit code or CISA KEV listing has been identified at time of analysis.
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 NTFS (ntfs.sys) allows a low-privileged local attacker to achieve SYSTEM-level code execution via a heap-based buffer overflow (CWE-122). The vulnerability spans virtually every supported Windows release - from Windows Server 2012 R2 through Windows 11 26H1 and Windows Server 2025 - making the affected surface exceptionally broad. No public exploit code has been identified at time of analysis, but LPE primitives in the kernel NTFS driver are a high-value post-exploitation capability routinely sought by ransomware operators and APT groups following initial access.
Heap-based buffer overflow in the Microsoft Windows Graphics Component enables a locally authenticated attacker to achieve arbitrary code execution with full confidentiality, integrity, and availability impact (C:H/I:H/A:H) across a remarkably broad swath of Windows versions, spanning Server 2012 through Windows 11 26H1. The vulnerability (CWE-122) is reachable by any standard user account (PR:L) with no user interaction required, making it a reliable local privilege-escalation primitive for post-compromise attack chains. No public exploit code or CISA KEV listing has been identified at time of analysis; vendor-released patches are available via the Microsoft Security Response Center.
Stack-based buffer overflow in the Microsoft Graphics Component enables a locally authenticated attacker to escalate privileges to SYSTEM level on affected Windows 11 and Windows Server releases. The CWE-121 flaw allows crafted input to overflow a fixed-size stack buffer in a privileged graphics subsystem component, corrupting control flow and achieving full C:H/I:H/A:H impact. Microsoft has released patches; no public exploit or active exploitation has been identified at time of analysis.
Local privilege escalation in Windows Enterprise App Management allows a low-privileged authenticated local attacker to gain full control over an affected system via improper handling of insufficient permissions (CWE-280). The vulnerability spans a wide swath of Microsoft's Windows ecosystem - from Windows 10 1607 through Windows 11 26H1 and Windows Server 2016 through 2025 - making it broadly relevant to enterprise environments. No public exploit or CISA KEV listing has been identified at time of analysis; Microsoft has released patched builds for all affected versions.