Microsoft Windows 11 23H2 vulnerabilities

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-2025-49679 [HIGH] CWE-197 CVE-2025-49679: Numeric truncation error in Windows Shell allows an authorized attacker to elevate privileges locall Numeric truncation error in Windows Shell 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-2025-48816 [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-2026-26161 [HIGH] CWE-20 CVE-2026-26161: Untrusted pointer dereference in Windows Sensor Data Service allows an authorized attacker to elevat Untrusted pointer dereference in Windows Sensor Data Service 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-2024-38239 [HIGH] CWE-1390 CVE-2024-38239: Windows Kerberos Elevation of Privilege Vulnerability Windows Kerberos Elevation of Privilege Vulnerability

CVE-2026-40378 [HIGH] CWE-789 CVE-2026-40378: Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (L Memory allocation with excessive size value in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.

CVE-2024-38198 [HIGH] CWE-345 CVE-2024-38198: Windows Print Spooler Elevation of Privilege Vulnerability Windows Print Spooler Elevation of Privilege Vulnerability

CVE-2024-38078 [HIGH] CWE-416 CVE-2024-38078: Xbox Wireless Adapter Remote Code Execution Vulnerability Xbox Wireless Adapter Remote Code Execution Vulnerability

CVE-2025-62213 [HIGH] CWE-416 CVE-2025-62213: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-21235 [HIGH] CWE-416 CVE-2026-21235: Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges l Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

CVE-2025-54911 [HIGH] CWE-416 CVE-2025-54911: Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally. Use after free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

CVE-2026-32149 [HIGH] CWE-20 CVE-2026-32149: Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-20812 [MEDIUM] CWE-20 CVE-2026-20812: Improper input validation in Windows LDAP - Lightweight Directory Access Protocol allows an authoriz Improper input validation in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to perform tampering over a network.

CVE-2024-38064 [HIGH] CWE-908 CVE-2024-38064: Windows TCP/IP Information Disclosure Vulnerability Windows TCP/IP Information Disclosure Vulnerability

CVE-2024-43625 [HIGH] CWE-416 CVE-2024-43625: Microsoft Windows VMSwitch Elevation of Privilege Vulnerability Microsoft Windows VMSwitch Elevation of Privilege Vulnerability

CVE-2024-49076 [HIGH] CWE-287 CVE-2024-49076: Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

CVE-2024-38051 [HIGH] CWE-122 CVE-2024-38051: Windows Graphics Component Remote Code Execution Vulnerability Windows Graphics Component Remote Code Execution Vulnerability

CVE-2024-38185 [HIGH] CWE-822 CVE-2024-38185: Windows Kernel-Mode Driver Elevation of Privilege Vulnerability Windows Kernel-Mode Driver Elevation of Privilege Vulnerability