Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-48563 [HIGH] CWE-416 CVE-2026-48563: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a netwo Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-42913 [HIGH] CWE-362 CVE-2026-42913: Concurrent execution using shared resource with improper synchronization ('race condition') in Remot Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-42909 [HIGH] CWE-362 CVE-2026-42909: Concurrent execution using shared resource with improper synchronization ('race condition') in Remot Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2025-30388 [HIGH] CWE-122 CVE-2025-30388: Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.

CVE-2025-26669 [HIGH] CWE-125 CVE-2025-26669: Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attack Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

CVE-2026-70149 [HIGH] CWE-122 CVE-2026-70149: Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (cs Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.

CVE-2025-55692 [HIGH] CWE-20 CVE-2025-55692: Improper input validation in Windows Error Reporting allows an authorized attacker to elevate privil Improper input validation in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2025-54098 [HIGH] CWE-284 CVE-2025-54098: Improper access control in Windows Hyper-V allows an authorized attacker to elevate privileges local Improper access control in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2024-20700 [HIGH] CWE-362 CVE-2024-20700: Windows Hyper-V Remote Code Execution Vulnerability Windows Hyper-V Remote Code Execution Vulnerability

CVE-2025-59512 [HIGH] CWE-284 CVE-2025-59512: Improper access control in Customer Experience Improvement Program (CEIP) allows an authorized attac Improper access control in Customer Experience Improvement Program (CEIP) allows an authorized attacker to elevate privileges locally.

CVE-2024-49105 [HIGH] CWE-284 CVE-2024-49105: Remote Desktop Client Remote Code Execution Vulnerability Remote Desktop Client Remote Code Execution Vulnerability

CVE-2024-20654 [HIGH] CWE-190 CVE-2024-20654: Microsoft ODBC Driver Remote Code Execution Vulnerability Microsoft ODBC Driver Remote Code Execution Vulnerability

CVE-2025-59517 [HIGH] CWE-284 CVE-2025-59517: Improper access control in Windows Storage VSP Driver allows an authorized attacker to elevate privi Improper access control in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-96186 [HIGH] CWE-502 CVE-2026-96186: Deserialization of untrusted data in Microsoft Windows Media Foundation allows an authorized attacke Deserialization of untrusted data in Microsoft Windows Media Foundation allows an authorized attacker to elevate privileges locally.

CVE-2025-54100 [HIGH] CWE-77 CVE-2025-54100: Improper neutralization of special elements used in a command ('command injection') in Windows Power Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an unauthorized attacker to execute code locally.

CVE-2026-27909 [HIGH] CWE-416 CVE-2026-27909: Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privil Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-81354 [HIGH] CWE-122 CVE-2026-81354: Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges loca Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.

CVE-2026-69332 [HIGH] CWE-125 CVE-2026-69332: Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges over a networ Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges over a network.

CVE-2026-69505 [HIGH] CWE-125 CVE-2026-69505: Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges over a networ Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges over a network.

CVE-2026-69458 [HIGH] CWE-125 CVE-2026-69458: Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges over a n Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges over a network.