Microsoft Windows 11 Version 24H2 vulnerabilities

CVE-2026-20817 [HIGH] CWE-280 CVE-2026-20817: Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an aut Improper handling of insufficient permissions or privileges in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2024-38180 [HIGH] CWE-693 CVE-2024-38180: Windows SmartScreen Security Feature Bypass Vulnerability Windows SmartScreen Security Feature Bypass Vulnerability

CVE-2025-21332 [HIGH] CWE-41 CVE-2025-21332: MapUrlToZone Security Feature Bypass Vulnerability MapUrlToZone Security Feature Bypass Vulnerability

CVE-2025-29967 [HIGH] CWE-122 CVE-2025-29967: Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to exec Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

CVE-2024-38131 [HIGH] CWE-591 CVE-2024-38131: Clipboard Virtual Channel Extension Remote Code Execution Vulnerability Clipboard Virtual Channel Extension Remote Code Execution Vulnerability

CVE-2025-29964 [HIGH] CWE-122 CVE-2025-29964: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.

CVE-2025-29963 [HIGH] CWE-122 CVE-2025-29963: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.

CVE-2026-32162 [HIGH] CWE-349 CVE-2026-32162: Acceptance of extraneous untrusted data with trusted data in Windows COM allows an unauthorized atta Acceptance of extraneous untrusted data with trusted data in Windows COM allows an unauthorized attacker to elevate privileges locally.

CVE-2026-20843 [HIGH] CWE-284 CVE-2026-20843: Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized att Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

CVE-2026-21238 [HIGH] CWE-284 CVE-2026-21238: Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attack Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-49740 [HIGH] CWE-693 CVE-2025-49740: Protection mechanism failure in Windows SmartScreen allows an unauthorized attacker to bypass a secu Protection mechanism failure in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-24291 [HIGH] CWE-732 CVE-2026-24291: Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBro Incorrect permission assignment for critical resource in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.

CVE-2026-80083 [HIGH] CWE-822 CVE-2026-80083: Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code local Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-69740 [HIGH] CWE-416 CVE-2026-69740: Use after free in Windows Hello allows an authorized attacker to elevate privileges locally. Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.

CVE-2026-69784 [HIGH] CWE-416 CVE-2026-69784: Use after free in Windows Hello allows an authorized attacker to elevate privileges locally. Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.

CVE-2025-24035 [HIGH] CWE-591 CVE-2025-24035: Sensitive data storage in improperly locked memory in Windows Remote Desktop Services allows an unau Sensitive data storage in improperly locked memory in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.

CVE-2026-27914 [HIGH] CWE-284 CVE-2026-27914: Improper access control in Microsoft Management Console allows an authorized attacker to elevate pri Improper access control in Microsoft Management Console allows an authorized attacker to elevate privileges locally.

CVE-2025-21295 [HIGH] CWE-416 CVE-2025-21295: SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability

CVE-2025-59516 [HIGH] CWE-73 CVE-2025-59516: Missing authentication for critical function in Windows Storage VSP Driver allows an authorized atta Missing authentication for critical function in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-62454 [HIGH] CWE-122 CVE-2025-62454: Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker t Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.