Microsoft Windows 11 Version 23H2 vulnerabilities

CVE-2025-49661 [HIGH] CWE-822 CVE-2025-49661: Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-47996 [HIGH] CWE-125 CVE-2025-47996: Integer underflow (wrap or wraparound) in Windows MBT Transport driver allows an authorized attacker Integer underflow (wrap or wraparound) in Windows MBT Transport driver allows an authorized attacker to elevate privileges locally.

CVE-2025-49693 [HIGH] CWE-415 CVE-2025-49693: Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges l Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

CVE-2025-33054 [HIGH] CWE-357 CVE-2025-33054: Insufficient UI warning of dangerous operations in Remote Desktop Client allows an unauthorized atta Insufficient UI warning of dangerous operations in Remote Desktop Client allows an unauthorized attacker to perform spoofing over a network.

CVE-2025-48816 [HIGH] CWE-125 CVE-2025-48816: Integer overflow or wraparound in HID class driver allows an authorized attacker to elevate privileg Integer overflow or wraparound in HID class driver allows an authorized attacker to elevate privileges locally.

CVE-2025-48822 [HIGH] CWE-125 CVE-2025-48822: Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally. Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

CVE-2025-47991 [HIGH] CWE-416 CVE-2025-47991: Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privi Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.

CVE-2025-49665 [HIGH] CWE-362 CVE-2025-49665: Concurrent execution using shared resource with improper synchronization ('race condition') in Works Concurrent execution using shared resource with improper synchronization ('race condition') in Workspace Broker allows an authorized attacker to elevate privileges locally.

CVE-2025-49689 [HIGH] CWE-125 CVE-2025-49689: Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevat Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.

CVE-2025-49667 [HIGH] CWE-415 CVE-2025-49667: Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally. Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVE-2025-48821 [HIGH] CWE-416 CVE-2025-48821: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2025-48815 [HIGH] CWE-843 CVE-2025-48815: Access of resource using incompatible type ('type confusion') in Windows SSDP Service allows an auth Access of resource using incompatible type ('type confusion') in Windows SSDP Service allows an authorized attacker to elevate privileges locally.

CVE-2025-47159 [HIGH] CWE-693 CVE-2025-47159: Protection mechanism failure in Windows Virtualization-Based Security (VBS) Enclave allows an author Protection mechanism failure in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

CVE-2025-49742 [HIGH] CWE-122 CVE-2025-49742: Integer overflow or wraparound in Microsoft Graphics Component allows an authorized attacker to exec Integer overflow or wraparound in Microsoft Graphics Component allows an authorized attacker to execute code locally.

CVE-2025-49659 [HIGH] CWE-126 CVE-2025-49659: Buffer over-read in Windows TDX.sys allows an authorized attacker to elevate privileges locally. Buffer over-read in Windows TDX.sys allows an authorized attacker to elevate privileges locally.

CVE-2025-48805 [HIGH] CWE-122 CVE-2025-48805: Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an authorized attacker to exec Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an authorized attacker to execute code locally.

CVE-2025-49724 [HIGH] CWE-416 CVE-2025-49724: Use after free in Windows Connected Devices Platform Service allows an unauthorized attacker to exec Use after free in Windows Connected Devices Platform Service allows an unauthorized attacker to execute code over a network.

CVE-2025-49726 [HIGH] CWE-416 CVE-2025-49726: Use after free in Windows Notification allows an authorized attacker to elevate privileges locally. Use after free in Windows Notification allows an authorized attacker to elevate privileges locally.

CVE-2025-48819 [HIGH] CWE-591 CVE-2025-48819: Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2025-47985 [HIGH] CWE-822 CVE-2025-47985: Untrusted pointer dereference in Windows Event Tracing allows an authorized attacker to elevate priv Untrusted pointer dereference in Windows Event Tracing allows an authorized attacker to elevate privileges locally.