Microsoft Windows 11 Version 23H2 vulnerabilities

CVE-2026-88143 [HIGH] CWE-122 CVE-2026-88143: Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to ele Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

CVE-2026-87706 [HIGH] CWE-122 CVE-2026-87706: Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to ele Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

CVE-2026-69992 [HIGH] CWE-416 CVE-2026-69992: Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code ov Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.

CVE-2026-69397 [HIGH] CWE-416 CVE-2026-69397: Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

CVE-2026-69789 [HIGH] CWE-122 CVE-2026-69789: Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized at Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.

CVE-2026-44801 [HIGH] CWE-416 CVE-2026-44801: 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-2026-62759 [HIGH] CWE-290 CVE-2026-62759: Authentication bypass by spoofing in Windows Netlogon allows an unauthorized attacker to perform spo Authentication bypass by spoofing in Windows Netlogon allows an unauthorized attacker to perform spoofing over an adjacent network.

CVE-2026-85811 [HIGH] CWE-416 CVE-2026-85811: Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over an adjacent network.

CVE-2025-55681 [HIGH] CWE-125 CVE-2025-55681: Out-of-bounds read in Windows DWM allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows DWM allows an authorized attacker to elevate privileges locally.

CVE-2024-43623 [HIGH] CWE-190 CVE-2024-43623: Windows NT OS Kernel Elevation of Privilege Vulnerability Windows NT OS Kernel Elevation of Privilege Vulnerability

CVE-2024-38237 [HIGH] CWE-122 CVE-2024-38237: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability

CVE-2024-38242 [HIGH] CWE-122 CVE-2024-38242: Kernel Streaming Service Driver Elevation of Privilege Vulnerability Kernel Streaming Service Driver Elevation of Privilege Vulnerability

CVE-2025-47986 [HIGH] CWE-416 CVE-2025-47986: Use after free in Universal Print Management Service allows an authorized attacker to elevate privil Use after free in Universal Print Management Service allows an authorized attacker to elevate privileges locally.

CVE-2025-58716 [HIGH] CWE-20 CVE-2025-58716: Improper input validation in Microsoft Windows Speech allows an authorized attacker to elevate privi Improper input validation in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.

CVE-2025-49723 [HIGH] CWE-862 CVE-2025-49723: Missing authorization in Windows StateRepository API allows an authorized attacker to perform tamper Missing authorization in Windows StateRepository API allows an authorized attacker to perform tampering locally.

CVE-2025-60705 [HIGH] CWE-284 CVE-2025-60705: Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker t Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.

CVE-2024-43574 [HIGH] CWE-416 CVE-2024-43574: Microsoft Speech Application Programming Interface (SAPI) Remote Code Execution Vulnerability Microsoft Speech Application Programming Interface (SAPI) Remote Code Execution Vulnerability

CVE-2024-21437 [HIGH] CWE-416 CVE-2024-21437: Windows Graphics Component Elevation of Privilege Vulnerability Windows Graphics Component Elevation of Privilege Vulnerability

CVE-2026-47652 [HIGH] CWE-122 CVE-2026-47652: Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-69322 [HIGH] CWE-415 CVE-2026-69322: Double free in Microsoft Windows Search Component allows an authorized attacker to elevate privilege Double free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges over a network.