Windows Server 2012
Monthly
Privilege escalation in Windows Accessibility Infrastructure (ATBroker.exe) across Windows 10, Windows 11, and Windows Server 2022 stems from improper permission assignments on a critical resource. A local authenticated attacker can exploit this misconfiguration to gain elevated privileges without user interaction. No patch is currently available for this vulnerability.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. [CVSS 7.8 HIGH]
Windows MapUrlToZone security bypass in Windows 11 24H2, Windows 10 21H2, and Windows Server 2016/2025 allows unauthenticated remote attackers to circumvent zone-based security restrictions through improper path equivalence resolution. An attacker can exploit this network-accessible vulnerability without user interaction to bypass intended access controls. No patch is currently available for this high-severity vulnerability.
Windows ReFS contains an out-of-bounds read vulnerability affecting Server 2019, 2022, 2025, and Windows 11 26h1 that enables authenticated local users to escalate privileges with high impact to confidentiality, integrity, and availability. The vulnerability requires low attack complexity and no user interaction, making it exploitable by any authenticated user on the system. No patch is currently available for this HIGH severity issue.
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability [CVSS 7.8 HIGH]
Local privilege escalation in Microsoft Graphics Component on Windows Server 2016 and Windows 11 23h2 stems from improper synchronization of shared resources, enabling authenticated attackers to gain elevated privileges. The race condition vulnerability requires local access and specific timing conditions but carries high impact potential across confidentiality, integrity, and availability. No patch is currently available for this vulnerability.
MSHTML Framework contains a protection mechanism failure (CVE-2026-21513, CVSS 8.8) allowing remote attackers to bypass security features over a network. KEV-listed, this vulnerability in the legacy HTML rendering engine (still used by many Windows applications and email clients) enables execution of malicious content by circumventing the browser's security sandbox and content restrictions.
Windows Shell contains a protection mechanism failure (CVE-2026-21510, CVSS 8.8) that allows unauthenticated remote attackers to bypass security features over a network. KEV-listed, this vulnerability in the core Windows Shell component enables remote code execution by circumventing security boundaries designed to prevent execution of untrusted content received from the network.
Windows Storage component contains an authentication bypass that enables authenticated local users to escalate privileges on Windows 10, Windows 11, and Windows Server 2016/2019 systems. An attacker with valid local credentials can exploit this vulnerability to gain elevated system access without user interaction. No patch is currently available for this HIGH severity issue affecting multiple Windows versions.
Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally. [CVSS 7.0 HIGH]
Privilege escalation in Microsoft Graphics Component on Windows 11 24H2 and Windows 10 21H2 exploits a heap buffer overflow to allow authenticated local attackers to gain system-level access. The vulnerability requires local access and user interaction is not required, presenting a significant risk in multi-user environments. No patch is currently available.
Privilege escalation via heap buffer overflow in Windows Kernel (Windows 10 21H2, Windows Server 2016) allows authenticated local users to gain elevated system privileges. The vulnerability requires local access and user-level permissions, making it exploitable by authorized account holders to bypass security boundaries. No patch is currently available for this issue.
Privilege escalation in the Windows Ancillary Function Driver for WinSock affects Windows 11 and Windows Server 2022/2019, allowing authenticated local users to gain elevated system privileges. The vulnerability stems from improper access control mechanisms and currently lacks a patch. An authenticated attacker with local access can exploit this to achieve full system compromise.
Windows Ancillary Function Driver for WinSock contains a heap buffer overflow vulnerability that enables authenticated local users to achieve privilege escalation on affected Windows 10 and Server 2012 systems. An attacker with valid user credentials can exploit this memory corruption flaw to execute arbitrary code with elevated privileges. No patch is currently available for this vulnerability.
Privilege escalation in Microsoft Graphics Component via use-after-free memory corruption affects Windows Server 2019 and 2012, allowing authenticated local attackers to gain elevated system privileges with user interaction. The vulnerability poses a significant risk in industrial environments where Windows Server hosts critical infrastructure. No patch is currently available for this high-severity issue.
Windows Kernel privilege escalation vulnerability in Windows 10 21H2 and Windows Server 2012 stems from improper synchronization of concurrent access to shared resources, enabling local authenticated users to gain elevated system privileges. The race condition can be triggered without user interaction and impacts confidentiality, integrity, and availability of the affected system. No patch is currently available.
Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. [CVSS 7.5 HIGH]
Windows Cloud Files Mini Filter Driver contains a heap-based buffer overflow that enables local privilege escalation on Windows 10 1809, Windows Server 2016, and Windows Server 2022. An authenticated attacker can exploit this vulnerability to gain elevated system privileges without user interaction. No patch is currently available.
Privilege escalation in Windows SMB Server (Server 2025, Windows 11 24H2, Windows 10 22H2) stems from improper synchronization of shared resources during concurrent execution, enabling authenticated network attackers to gain elevated privileges. The vulnerability requires high complexity exploitation but carries high impact across confidentiality, integrity, and availability. No patch is currently available.
Windows Telephony Service on multiple Windows versions (10, 11, Server 2008/2022) contains an improper file path control vulnerability that enables authenticated attackers on the same network to escalate privileges to system level. An attacker with local user credentials can manipulate file name or path parameters to achieve elevated privileges without user interaction. No patch is currently available, though the vulnerability has high exploitability potential (EPSS 0.8%).
Windows HTTP.sys contains an access control weakness that enables authenticated network attackers to escalate privileges on affected Windows systems including Windows 10 and Windows Server 2016/2019. The vulnerability requires low attack complexity and existing user credentials but grants complete compromise of confidentiality, integrity, and availability. No patch is currently available for this HIGH severity issue.
Privilege escalation in Windows SMB Server (versions 10 22h2, 11 23h2, and 11 25h2) stems from improper synchronization of shared resources, allowing authenticated network attackers to elevate privileges. The race condition vulnerability requires specific timing conditions but carries high impact across confidentiality, integrity, and availability. No patch is currently available for this vulnerability.
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. [CVSS 7.8 HIGH]
Privilege escalation in Windows SMB Server (2022, 2025) stems from improper synchronization of concurrent resource access, enabling authenticated network attackers to gain elevated privileges. The vulnerability requires specific conditions to trigger but provides high-impact unauthorized access when successfully exploited. No patch is currently available for affected systems.
Windows SMB Server contains a race condition in concurrent resource handling that enables authenticated network attackers to escalate privileges on affected systems including Windows 10 22H2, Windows 10 1607, and Windows Server 2025. The vulnerability requires low attack complexity and network access from an authenticated user, but carries high impact across confidentiality, integrity, and availability. No patch is currently available for this HIGH severity issue (CVSS 7.5).
Remote denial of service in Windows LSASS affects Windows 10 and 11 through a null pointer dereference that an unauthenticated attacker can trigger over the network. The vulnerability causes service unavailability but does not enable code execution or data theft. No patch is currently available, leaving affected systems vulnerable until Microsoft releases a fix.
Local privilege escalation in Windows Local Session Manager (LSM) across Windows 11 23h2, Windows Server 2012, and 2019 stems from improper synchronization in shared resource handling, enabling authenticated attackers to elevate privileges on affected systems. The vulnerability requires local access and specific timing conditions to exploit, with no patch currently available. This affects systems running the impacted Windows and Server editions where authenticated users may achieve system-level privileges.
Remote code execution in Windows RRAS affects Windows 10 21h2 and Windows Server 2022 variants through a heap-based buffer overflow triggered over the network without authentication. An attacker can exploit this vulnerability to execute arbitrary code with high privileges, though a user interaction is required to trigger the flaw. No patch is currently available, making this a critical risk for exposed systems.
Windows 10 1607 is affected by access of resource using incompatible type (type confusion) (CVSS 7.8).
Remote code execution in Windows Server Update Service affects Windows 11 25h2, Windows Server 2025, 2022, and 2016 due to inadequate input validation, enabling unauthenticated network-based attackers to execute arbitrary code with high impact. The vulnerability requires specific conditions to exploit (high complexity) but carries significant risk across widely-deployed server infrastructure with no patch currently available.
Windows Kerberos authentication in multiple Windows versions accepts untrusted input during security decisions, enabling authenticated network attackers to escalate privileges without user interaction. The vulnerability affects Windows 10 (versions 1607 and 1809), Windows Server 2012, and Windows Server 2025, with no patch currently available. An attacker with valid credentials can exploit this to gain elevated system access across the network.
Privilege escalation via race condition in Windows SMB Server affects Windows 10 21h2, Windows 11 25h2, and Windows Server 2022 23h2, allowing authenticated attackers to gain elevated privileges over the network. The vulnerability stems from improper synchronization when handling concurrent access to shared resources, and no patch is currently available. With a CVSS score of 7.5, this poses a significant risk to organizations using affected Windows versions.
Local privilege escalation in Windows RRAS affects Windows 10, Windows 11, and Windows Server 2022, allowing authenticated users to gain system-level access through improper access control mechanisms. An attacker with local user credentials can exploit this vulnerability to obtain elevated privileges on the affected system. No patch is currently available, leaving vulnerable systems at risk until Microsoft releases a security update.
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. [CVSS 7.8 HIGH]
Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) lets an authorized low-privileged user win a time-of-check-to-time-of-use race to elevate to SYSTEM across a broad range of Windows client and server releases (Windows 10 1607 through Windows 11 25H2, Server 2008 SP2 through Server 2025). Exploitation requires local code execution and reliably winning a narrow timing window, and no public exploit has been identified at time of analysis. EPSS is very low (0.03%, 6th percentile) and the CVE is not in CISA KEV, indicating no evidence of active exploitation.
Heap buffer overflow in Windows Common Log File System Driver (affecting Windows 10 1607, Server 2016, and Server 2022 23h2) enables authenticated local users to achieve complete system compromise through privilege escalation. The vulnerability requires valid credentials but no user interaction, making it a direct path to administrative control for insiders or attackers with initial access. No patch is currently available, leaving affected systems at elevated risk pending remediation.
Local privilege escalation in Microsoft Windows Installer (msiexec/Windows Installer service) allows an authenticated low-privileged user to win a time-of-check-to-time-of-use (TOCTOU) race and gain SYSTEM-level privileges across supported Windows client and server releases. Exploitation requires local access and winning a narrow timing window, and there is no public exploit identified at time of analysis. EPSS is very low (0.03%, 6th percentile), reflecting the high attack complexity and lack of observed exploitation.
Privilege escalation in Windows Kernel Memory affects Windows 10 21h2 and Windows Server 2022 23h2, exploitable by local authenticated users through a race condition between permission checks and memory access. An attacker with local access can leverage this window to gain elevated system privileges. No patch is currently available.
Desktop Windows Manager on Windows 10, Windows 11, and Windows Server 2022 leaks sensitive information to local authenticated users, enabling disclosure of confidential data without modifying or disrupting system functionality. This vulnerability is confirmed actively exploited and affects multiple Windows versions with no patch currently available. An authorized attacker can exploit this with minimal complexity to extract sensitive information from the system.
Windows Deployment Services contains improper access control that enables unauthenticated attackers on an adjacent network to execute arbitrary code with high privileges on affected Windows and Windows Server systems. The vulnerability affects multiple Windows versions including Server 2012, 2019, and 2022 variants, with no patch currently available. An adjacent network attacker requires only network proximity to exploit this vulnerability, making lateral movement within networked environments a significant risk.
Windows SMB contains an improper access control vulnerability (CVE-2025-33073, CVSS 8.8) enabling authenticated attackers to escalate privileges over the network. KEV-listed with EPSS 57.6% and public PoC, this vulnerability in the core Windows file sharing protocol affects every Windows system on the network, enabling lateral movement from any compromised domain account to SYSTEM-level access on SMB-accessible systems.
Windows Internet Shortcut Files (.url) contain an external control vulnerability (CVE-2025-33053, CVSS 8.8) that enables remote code execution over a network. KEV-listed with EPSS 48.5% and public PoC, this vulnerability allows attackers to craft malicious .url files that execute arbitrary code when opened, bypassing the security restrictions normally applied to internet-sourced shortcut files.
In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
Windows Ancillary Function Driver for WinSock contains a use-after-free enabling local privilege escalation through a null pointer dereference, exploited in May 2025.
Windows CLFS Driver contains an input validation flaw enabling local privilege escalation, yet another CLFS kernel vulnerability in the May 2025 Patch Tuesday.
Windows Common Log File System Driver contains another use-after-free for local privilege escalation, the latest in a series of CLFS kernel vulnerabilities exploited throughout 2023-2025.
Microsoft Scripting Engine contains a type confusion vulnerability allowing unauthorized remote code execution over the network through crafted content processed by the scripting engine.
Windows Common Log File System Driver contains a use-after-free enabling local privilege escalation, exploited in the wild in April 2025. CLFS driver vulnerabilities have become a recurring Windows kernel exploit target.
A security feature bypass in Microsoft Management Console (MMC) allows attackers to evade security warnings and execute malicious code locally. KEV-listed and tracked as CVE-2025-26633, this vulnerability has been actively exploited by the Water Gamayun threat group (also tracked as EncryptHub) using crafted .msc files to deploy info-stealing malware. Public PoC is available and EPSS is 7.1%.
A heap-based buffer overflow in the Windows NTFS driver allows unauthenticated local code execution, providing kernel-level access when a user mounts a crafted NTFS filesystem image. This KEV-listed vulnerability (CVE-2025-24993) targets the most widely used Windows filesystem, making it a significant threat through malicious USB drives, VHD files, or network shares.
Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow enabling local privilege escalation to SYSTEM, exploited in the wild in February 2025.
Active Directory Domain Services contains an elevation of privilege vulnerability that allows authenticated domain users to escalate to domain administrator. The vulnerability enables lateral movement and complete domain compromise from any authenticated position within the Active Directory environment.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
NTLM Hash Disclosure Spoofing Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows MSHTML Platform Spoofing Vulnerability. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.
Microsoft Management Console Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Windows MSHTML Platform Spoofing Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows Mark of the Web Security Feature Bypass Vulnerability. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Windows Installer Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.
Windows Mark of the Web Security Feature Bypass Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Scripting Engine Memory Corruption Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. This Access of Resource Using Incompatible Type (Type Confusion) vulnerability could allow attackers to execute arbitrary code by exploiting type confusion in the application.
Windows Power Dependency Coordinator Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows MSHTML Platform Spoofing Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required.
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Win32k Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Error Reporting Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows SmartScreen Security Feature Bypass Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows Mark of the Web Security Feature Bypass Vulnerability. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Microsoft WordPad Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Windows Search Remote Code Execution Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required.
Windows Error Reporting Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Windows MSHTML Platform Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Win32k Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0). Public exploit code available.
Windows Graphics Component Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows Scripting Languages Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Windows Print Spooler Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Windows COM+ Event System Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Access of Resource Using Incompatible Type (Type Confusion) vulnerability could allow attackers to execute arbitrary code by exploiting type confusion in the application.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows MSDT (Microsoft Support Diagnostic Tool) allows remote code execution when called via the ms-msdt URL protocol from Office documents, known as 'Follina', exploited as a zero-day from April 2022 in targeted attacks.
Windows LSA Spoofing Vulnerability. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. This Missing Authentication for Critical Function vulnerability could allow attackers to access critical functionality without authentication.
Active Directory Domain Services Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.
Privilege escalation in Windows Accessibility Infrastructure (ATBroker.exe) across Windows 10, Windows 11, and Windows Server 2022 stems from improper permission assignments on a critical resource. A local authenticated attacker can exploit this misconfiguration to gain elevated privileges without user interaction. No patch is currently available for this vulnerability.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. [CVSS 7.8 HIGH]
Windows MapUrlToZone security bypass in Windows 11 24H2, Windows 10 21H2, and Windows Server 2016/2025 allows unauthenticated remote attackers to circumvent zone-based security restrictions through improper path equivalence resolution. An attacker can exploit this network-accessible vulnerability without user interaction to bypass intended access controls. No patch is currently available for this high-severity vulnerability.
Windows ReFS contains an out-of-bounds read vulnerability affecting Server 2019, 2022, 2025, and Windows 11 26h1 that enables authenticated local users to escalate privileges with high impact to confidentiality, integrity, and availability. The vulnerability requires low attack complexity and no user interaction, making it exploitable by any authenticated user on the system. No patch is currently available for this HIGH severity issue.
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability [CVSS 7.8 HIGH]
Local privilege escalation in Microsoft Graphics Component on Windows Server 2016 and Windows 11 23h2 stems from improper synchronization of shared resources, enabling authenticated attackers to gain elevated privileges. The race condition vulnerability requires local access and specific timing conditions but carries high impact potential across confidentiality, integrity, and availability. No patch is currently available for this vulnerability.
MSHTML Framework contains a protection mechanism failure (CVE-2026-21513, CVSS 8.8) allowing remote attackers to bypass security features over a network. KEV-listed, this vulnerability in the legacy HTML rendering engine (still used by many Windows applications and email clients) enables execution of malicious content by circumventing the browser's security sandbox and content restrictions.
Windows Shell contains a protection mechanism failure (CVE-2026-21510, CVSS 8.8) that allows unauthenticated remote attackers to bypass security features over a network. KEV-listed, this vulnerability in the core Windows Shell component enables remote code execution by circumventing security boundaries designed to prevent execution of untrusted content received from the network.
Windows Storage component contains an authentication bypass that enables authenticated local users to escalate privileges on Windows 10, Windows 11, and Windows Server 2016/2019 systems. An attacker with valid local credentials can exploit this vulnerability to gain elevated system access without user interaction. No patch is currently available for this HIGH severity issue affecting multiple Windows versions.
Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally. [CVSS 7.0 HIGH]
Privilege escalation in Microsoft Graphics Component on Windows 11 24H2 and Windows 10 21H2 exploits a heap buffer overflow to allow authenticated local attackers to gain system-level access. The vulnerability requires local access and user interaction is not required, presenting a significant risk in multi-user environments. No patch is currently available.
Privilege escalation via heap buffer overflow in Windows Kernel (Windows 10 21H2, Windows Server 2016) allows authenticated local users to gain elevated system privileges. The vulnerability requires local access and user-level permissions, making it exploitable by authorized account holders to bypass security boundaries. No patch is currently available for this issue.
Privilege escalation in the Windows Ancillary Function Driver for WinSock affects Windows 11 and Windows Server 2022/2019, allowing authenticated local users to gain elevated system privileges. The vulnerability stems from improper access control mechanisms and currently lacks a patch. An authenticated attacker with local access can exploit this to achieve full system compromise.
Windows Ancillary Function Driver for WinSock contains a heap buffer overflow vulnerability that enables authenticated local users to achieve privilege escalation on affected Windows 10 and Server 2012 systems. An attacker with valid user credentials can exploit this memory corruption flaw to execute arbitrary code with elevated privileges. No patch is currently available for this vulnerability.
Privilege escalation in Microsoft Graphics Component via use-after-free memory corruption affects Windows Server 2019 and 2012, allowing authenticated local attackers to gain elevated system privileges with user interaction. The vulnerability poses a significant risk in industrial environments where Windows Server hosts critical infrastructure. No patch is currently available for this high-severity issue.
Windows Kernel privilege escalation vulnerability in Windows 10 21H2 and Windows Server 2012 stems from improper synchronization of concurrent access to shared resources, enabling local authenticated users to gain elevated system privileges. The race condition can be triggered without user interaction and impacts confidentiality, integrity, and availability of the affected system. No patch is currently available.
Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. [CVSS 7.5 HIGH]
Windows Cloud Files Mini Filter Driver contains a heap-based buffer overflow that enables local privilege escalation on Windows 10 1809, Windows Server 2016, and Windows Server 2022. An authenticated attacker can exploit this vulnerability to gain elevated system privileges without user interaction. No patch is currently available.
Privilege escalation in Windows SMB Server (Server 2025, Windows 11 24H2, Windows 10 22H2) stems from improper synchronization of shared resources during concurrent execution, enabling authenticated network attackers to gain elevated privileges. The vulnerability requires high complexity exploitation but carries high impact across confidentiality, integrity, and availability. No patch is currently available.
Windows Telephony Service on multiple Windows versions (10, 11, Server 2008/2022) contains an improper file path control vulnerability that enables authenticated attackers on the same network to escalate privileges to system level. An attacker with local user credentials can manipulate file name or path parameters to achieve elevated privileges without user interaction. No patch is currently available, though the vulnerability has high exploitability potential (EPSS 0.8%).
Windows HTTP.sys contains an access control weakness that enables authenticated network attackers to escalate privileges on affected Windows systems including Windows 10 and Windows Server 2016/2019. The vulnerability requires low attack complexity and existing user credentials but grants complete compromise of confidentiality, integrity, and availability. No patch is currently available for this HIGH severity issue.
Privilege escalation in Windows SMB Server (versions 10 22h2, 11 23h2, and 11 25h2) stems from improper synchronization of shared resources, allowing authenticated network attackers to elevate privileges. The race condition vulnerability requires specific timing conditions but carries high impact across confidentiality, integrity, and availability. No patch is currently available for this vulnerability.
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. [CVSS 7.8 HIGH]
Privilege escalation in Windows SMB Server (2022, 2025) stems from improper synchronization of concurrent resource access, enabling authenticated network attackers to gain elevated privileges. The vulnerability requires specific conditions to trigger but provides high-impact unauthorized access when successfully exploited. No patch is currently available for affected systems.
Windows SMB Server contains a race condition in concurrent resource handling that enables authenticated network attackers to escalate privileges on affected systems including Windows 10 22H2, Windows 10 1607, and Windows Server 2025. The vulnerability requires low attack complexity and network access from an authenticated user, but carries high impact across confidentiality, integrity, and availability. No patch is currently available for this HIGH severity issue (CVSS 7.5).
Remote denial of service in Windows LSASS affects Windows 10 and 11 through a null pointer dereference that an unauthenticated attacker can trigger over the network. The vulnerability causes service unavailability but does not enable code execution or data theft. No patch is currently available, leaving affected systems vulnerable until Microsoft releases a fix.
Local privilege escalation in Windows Local Session Manager (LSM) across Windows 11 23h2, Windows Server 2012, and 2019 stems from improper synchronization in shared resource handling, enabling authenticated attackers to elevate privileges on affected systems. The vulnerability requires local access and specific timing conditions to exploit, with no patch currently available. This affects systems running the impacted Windows and Server editions where authenticated users may achieve system-level privileges.
Remote code execution in Windows RRAS affects Windows 10 21h2 and Windows Server 2022 variants through a heap-based buffer overflow triggered over the network without authentication. An attacker can exploit this vulnerability to execute arbitrary code with high privileges, though a user interaction is required to trigger the flaw. No patch is currently available, making this a critical risk for exposed systems.
Windows 10 1607 is affected by access of resource using incompatible type (type confusion) (CVSS 7.8).
Remote code execution in Windows Server Update Service affects Windows 11 25h2, Windows Server 2025, 2022, and 2016 due to inadequate input validation, enabling unauthenticated network-based attackers to execute arbitrary code with high impact. The vulnerability requires specific conditions to exploit (high complexity) but carries significant risk across widely-deployed server infrastructure with no patch currently available.
Windows Kerberos authentication in multiple Windows versions accepts untrusted input during security decisions, enabling authenticated network attackers to escalate privileges without user interaction. The vulnerability affects Windows 10 (versions 1607 and 1809), Windows Server 2012, and Windows Server 2025, with no patch currently available. An attacker with valid credentials can exploit this to gain elevated system access across the network.
Privilege escalation via race condition in Windows SMB Server affects Windows 10 21h2, Windows 11 25h2, and Windows Server 2022 23h2, allowing authenticated attackers to gain elevated privileges over the network. The vulnerability stems from improper synchronization when handling concurrent access to shared resources, and no patch is currently available. With a CVSS score of 7.5, this poses a significant risk to organizations using affected Windows versions.
Local privilege escalation in Windows RRAS affects Windows 10, Windows 11, and Windows Server 2022, allowing authenticated users to gain system-level access through improper access control mechanisms. An attacker with local user credentials can exploit this vulnerability to obtain elevated privileges on the affected system. No patch is currently available, leaving vulnerable systems at risk until Microsoft releases a security update.
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. [CVSS 7.8 HIGH]
Local privilege escalation in the Windows Ancillary Function Driver for WinSock (afd.sys) lets an authorized low-privileged user win a time-of-check-to-time-of-use race to elevate to SYSTEM across a broad range of Windows client and server releases (Windows 10 1607 through Windows 11 25H2, Server 2008 SP2 through Server 2025). Exploitation requires local code execution and reliably winning a narrow timing window, and no public exploit has been identified at time of analysis. EPSS is very low (0.03%, 6th percentile) and the CVE is not in CISA KEV, indicating no evidence of active exploitation.
Heap buffer overflow in Windows Common Log File System Driver (affecting Windows 10 1607, Server 2016, and Server 2022 23h2) enables authenticated local users to achieve complete system compromise through privilege escalation. The vulnerability requires valid credentials but no user interaction, making it a direct path to administrative control for insiders or attackers with initial access. No patch is currently available, leaving affected systems at elevated risk pending remediation.
Local privilege escalation in Microsoft Windows Installer (msiexec/Windows Installer service) allows an authenticated low-privileged user to win a time-of-check-to-time-of-use (TOCTOU) race and gain SYSTEM-level privileges across supported Windows client and server releases. Exploitation requires local access and winning a narrow timing window, and there is no public exploit identified at time of analysis. EPSS is very low (0.03%, 6th percentile), reflecting the high attack complexity and lack of observed exploitation.
Privilege escalation in Windows Kernel Memory affects Windows 10 21h2 and Windows Server 2022 23h2, exploitable by local authenticated users through a race condition between permission checks and memory access. An attacker with local access can leverage this window to gain elevated system privileges. No patch is currently available.
Desktop Windows Manager on Windows 10, Windows 11, and Windows Server 2022 leaks sensitive information to local authenticated users, enabling disclosure of confidential data without modifying or disrupting system functionality. This vulnerability is confirmed actively exploited and affects multiple Windows versions with no patch currently available. An authorized attacker can exploit this with minimal complexity to extract sensitive information from the system.
Windows Deployment Services contains improper access control that enables unauthenticated attackers on an adjacent network to execute arbitrary code with high privileges on affected Windows and Windows Server systems. The vulnerability affects multiple Windows versions including Server 2012, 2019, and 2022 variants, with no patch currently available. An adjacent network attacker requires only network proximity to exploit this vulnerability, making lateral movement within networked environments a significant risk.
Windows SMB contains an improper access control vulnerability (CVE-2025-33073, CVSS 8.8) enabling authenticated attackers to escalate privileges over the network. KEV-listed with EPSS 57.6% and public PoC, this vulnerability in the core Windows file sharing protocol affects every Windows system on the network, enabling lateral movement from any compromised domain account to SYSTEM-level access on SMB-accessible systems.
Windows Internet Shortcut Files (.url) contain an external control vulnerability (CVE-2025-33053, CVSS 8.8) that enables remote code execution over a network. KEV-listed with EPSS 48.5% and public PoC, this vulnerability allows attackers to craft malicious .url files that execute arbitrary code when opened, bypassing the security restrictions normally applied to internet-sourced shortcut files.
In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
Windows Ancillary Function Driver for WinSock contains a use-after-free enabling local privilege escalation through a null pointer dereference, exploited in May 2025.
Windows CLFS Driver contains an input validation flaw enabling local privilege escalation, yet another CLFS kernel vulnerability in the May 2025 Patch Tuesday.
Windows Common Log File System Driver contains another use-after-free for local privilege escalation, the latest in a series of CLFS kernel vulnerabilities exploited throughout 2023-2025.
Microsoft Scripting Engine contains a type confusion vulnerability allowing unauthorized remote code execution over the network through crafted content processed by the scripting engine.
Windows Common Log File System Driver contains a use-after-free enabling local privilege escalation, exploited in the wild in April 2025. CLFS driver vulnerabilities have become a recurring Windows kernel exploit target.
A security feature bypass in Microsoft Management Console (MMC) allows attackers to evade security warnings and execute malicious code locally. KEV-listed and tracked as CVE-2025-26633, this vulnerability has been actively exploited by the Water Gamayun threat group (also tracked as EncryptHub) using crafted .msc files to deploy info-stealing malware. Public PoC is available and EPSS is 7.1%.
A heap-based buffer overflow in the Windows NTFS driver allows unauthenticated local code execution, providing kernel-level access when a user mounts a crafted NTFS filesystem image. This KEV-listed vulnerability (CVE-2025-24993) targets the most widely used Windows filesystem, making it a significant threat through malicious USB drives, VHD files, or network shares.
Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow enabling local privilege escalation to SYSTEM, exploited in the wild in February 2025.
Active Directory Domain Services contains an elevation of privilege vulnerability that allows authenticated domain users to escalate to domain administrator. The vulnerability enables lateral movement and complete domain compromise from any authenticated position within the Active Directory environment.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
NTLM Hash Disclosure Spoofing Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows MSHTML Platform Spoofing Vulnerability. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.
Microsoft Management Console Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Windows MSHTML Platform Spoofing Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows Mark of the Web Security Feature Bypass Vulnerability. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Windows Installer Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.
Windows Mark of the Web Security Feature Bypass Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Scripting Engine Memory Corruption Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. This Access of Resource Using Incompatible Type (Type Confusion) vulnerability could allow attackers to execute arbitrary code by exploiting type confusion in the application.
Windows Power Dependency Coordinator Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows MSHTML Platform Spoofing Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required.
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Win32k Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Error Reporting Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows SmartScreen Security Feature Bypass Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows Mark of the Web Security Feature Bypass Vulnerability. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Microsoft WordPad Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Windows Search Remote Code Execution Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required.
Windows Error Reporting Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Windows MSHTML Platform Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Win32k Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0). Public exploit code available.
Windows Graphics Component Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows Scripting Languages Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Windows Print Spooler Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Windows COM+ Event System Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Access of Resource Using Incompatible Type (Type Confusion) vulnerability could allow attackers to execute arbitrary code by exploiting type confusion in the application.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows MSDT (Microsoft Support Diagnostic Tool) allows remote code execution when called via the ms-msdt URL protocol from Office documents, known as 'Follina', exploited as a zero-day from April 2022 in targeted attacks.
Windows LSA Spoofing Vulnerability. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. This Missing Authentication for Critical Function vulnerability could allow attackers to access critical functionality without authentication.
Active Directory Domain Services Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.