Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-62783 [HIGH] CWE-122 CVE-2026-62783: Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-62758 [HIGH] CWE-122 CVE-2026-62758: Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-62755 [HIGH] CWE-121 CVE-2026-62755: Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileg Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.

CVE-2026-70014 [HIGH] CWE-416 CVE-2026-70014: Use after free in Windows Cryptographic Services allows an authorized attacker to execute code over Use after free in Windows Cryptographic Services allows an authorized attacker to execute code over a network.

CVE-2026-62813 [HIGH] CWE-416 CVE-2026-62813: Use after free in Active Directory Domain Services allows an authorized attacker to execute code ove Use after free in Active Directory Domain Services allows an authorized attacker to execute code over a network.

CVE-2026-69757 [HIGH] CWE-416 CVE-2026-69757: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network. Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.

CVE-2026-69761 [HIGH] CWE-416 CVE-2026-69761: Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network. Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.

CVE-2024-21310 [HIGH] CWE-197 CVE-2024-21310: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

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-2024-38054 [HIGH] CWE-122 CVE-2024-38054: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability

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

CVE-2024-21369 [HIGH] CWE-122 CVE-2024-21369: Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21350 [HIGH] CWE-190 CVE-2024-21350: Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution 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.