Microsoft Windows 11 23H2 vulnerabilities

CVE-2025-24990 [HIGH] CWE-822 CVE-2025-24990: Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware dependent on this specific driver will no longer work on Window

CVE-2026-21510 [HIGH] CWE-693 CVE-2026-21510: Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security f Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-20805 [MEDIUM] CWE-200 CVE-2026-20805: Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an auth Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

CVE-2024-43572 [HIGH] CWE-707 CVE-2024-43572: Microsoft Management Console Remote Code Execution Vulnerability Microsoft Management Console Remote Code Execution Vulnerability

CVE-2024-29988 [HIGH] CWE-693 CVE-2024-29988: SmartScreen Prompt Security Feature Bypass Vulnerability SmartScreen Prompt Security Feature Bypass Vulnerability

CVE-2026-21513 [HIGH] CWE-693 CVE-2026-21513: Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a securit Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-96951 [HIGH] CWE-77 CVE-2026-96951: Improper neutralization of special elements used in a command ('command injection') in Windows Shell Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

CVE-2023-36036 [HIGH] CWE-122 CVE-2023-36036: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

CVE-2024-21351 [HIGH] CWE-94 CVE-2024-21351: Windows SmartScreen Security Feature Bypass Vulnerability Windows SmartScreen Security Feature Bypass Vulnerability

CVE-2024-26169 [HIGH] CWE-269 CVE-2024-26169: Windows Error Reporting Service Elevation of Privilege Vulnerability Windows Error Reporting Service Elevation of Privilege Vulnerability

CVE-2024-30040 [HIGH] CWE-20 CVE-2024-30040: Windows MSHTML Platform Security Feature Bypass Vulnerability Windows MSHTML Platform Security Feature Bypass Vulnerability

CVE-2026-21533 [HIGH] CWE-269 CVE-2026-21533: Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate pri Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.

CVE-2025-62221 [HIGH] CWE-416 CVE-2025-62221: Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate pr Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-30400 [HIGH] CWE-416 CVE-2025-30400: Use after free in Windows DWM allows an authorized attacker to elevate privileges locally. Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.

CVE-2026-81963 [HIGH] CWE-59 CVE-2026-81963: Improper link resolution before file access ('link following') in Windows Update Stack allows an aut Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.

CVE-2026-68820 [HIGH] CWE-416 CVE-2026-68820: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-21519 [HIGH] CWE-843 CVE-2026-21519: Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an au Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

CVE-2025-32701 [HIGH] CWE-416 CVE-2025-32701: Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate pri Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2024-38213 [MEDIUM] CWE-693 CVE-2024-38213: Windows Mark of the Web Security Feature Bypass Vulnerability Windows Mark of the Web Security Feature Bypass Vulnerability

CVE-2025-59230 [HIGH] CWE-284 CVE-2025-59230: Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.