Microsoft Windows 11 Version 23H2 vulnerabilities

CVE-2025-49751 [MEDIUM] CWE-820 CVE-2025-49751: Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adj Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.

CVE-2025-53136 [MEDIUM] CWE-200 CVE-2025-53136: Exposure of sensitive information to an unauthorized actor in Windows NT OS Kernel allows an authori Exposure of sensitive information to an unauthorized actor in Windows NT OS Kernel allows an authorized attacker to disclose information locally.

CVE-2025-50166 [MEDIUM] CWE-190 CVE-2025-50166: Integer overflow or wraparound in Windows Distributed Transaction Coordinator allows an authorized a Integer overflow or wraparound in Windows Distributed Transaction Coordinator allows an authorized attacker to disclose information over a network.

CVE-2025-53716 [MEDIUM] CWE-476 CVE-2025-53716: Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an aut Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.

CVE-2025-47981 [CRITICAL] CWE-122 CVE-2025-47981: Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.

CVE-2025-49730 [HIGH] CWE-122 CVE-2025-49730: Time-of-check time-of-use (toctou) race condition in Microsoft Windows QoS scheduler allows an autho Time-of-check time-of-use (toctou) race condition in Microsoft Windows QoS scheduler allows an authorized attacker to elevate privileges locally.

CVE-2025-47976 [HIGH] CWE-416 CVE-2025-47976: Use after free in Windows SSDP Service allows an authorized attacker to elevate privileges locally. Use after free in Windows SSDP Service allows an authorized attacker to elevate privileges locally.

CVE-2025-48814 [HIGH] CWE-306 CVE-2025-48814: Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an u Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an unauthorized attacker to bypass a security feature over a network.

CVE-2025-49660 [HIGH] CWE-416 CVE-2025-49660: Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally. Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally.

CVE-2025-47973 [HIGH] CWE-126 CVE-2025-47973: Buffer over-read in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges l Buffer over-read in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.

CVE-2025-49685 [HIGH] CWE-416 CVE-2025-49685: 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-2025-49683 [HIGH] CWE-122 CVE-2025-49683: Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execut Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code locally.

CVE-2025-49675 [HIGH] CWE-416 CVE-2025-49675: Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-49721 [HIGH] CWE-122 CVE-2025-49721: Heap-based buffer overflow in Windows Fast FAT Driver allows an unauthorized attacker to elevate pri Heap-based buffer overflow in Windows Fast FAT Driver allows an unauthorized attacker to elevate privileges locally.

CVE-2025-47984 [HIGH] CWE-693 CVE-2025-47984: Protection mechanism failure in Windows GDI allows an unauthorized attacker to disclose information Protection mechanism failure in Windows GDI allows an unauthorized attacker to disclose information over a network.

CVE-2025-48000 [HIGH] CWE-362 CVE-2025-48000: Use after free in Windows Connected Devices Platform Service allows an authorized attacker to elevat Use after free in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.

CVE-2025-47982 [HIGH] CWE-20 CVE-2025-47982: Improper input validation in Windows Storage VSP Driver allows an authorized attacker to elevate pri Improper input validation in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-49687 [HIGH] CWE-125 CVE-2025-49687: Out-of-bounds read in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate p Out-of-bounds read in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.

CVE-2025-48799 [HIGH] CWE-59 CVE-2025-48799: Improper link resolution before file access ('link following') in Windows Update Service allows an a Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.

CVE-2025-49678 [HIGH] CWE-362 CVE-2025-49678: Null pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally Null pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.