Microsoft Windows 11 25H2 vulnerabilities

CVE-2026-20935 [MEDIUM] CWE-822 CVE-2026-20935: Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unaut Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker to disclose information locally.

CVE-2026-49807 [MEDIUM] CWE-200 CVE-2026-49807: Exposure of sensitive information to an unauthorized actor in Windows DirectX allows an unauthorized Exposure of sensitive information to an unauthorized actor in Windows DirectX allows an unauthorized attacker to disclose information locally.

CVE-2026-50294 [MEDIUM] CWE-497 CVE-2026-50294: Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an unauthorized attacker to disclose information locally.

CVE-2026-32088 [MEDIUM] CWE-362 CVE-2026-32088: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Biometric Service allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-50475 [MEDIUM] CWE-126 CVE-2026-50475: Buffer over-read in Windows Kernel allows an authorized attacker to disclose information locally. Buffer over-read in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-20839 [MEDIUM] CWE-284 CVE-2026-20839: 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 disclose information locally.

CVE-2025-62570 [MEDIUM] CWE-284 CVE-2025-62570: Improper access control in Windows Camera Frame Server Monitor allows an authorized attacker to disc Improper access control in Windows Camera Frame Server Monitor allows an authorized attacker to disclose information locally.

CVE-2026-50341 [MEDIUM] CWE-126 CVE-2026-50341: Buffer over-read in Windows NTFS allows an authorized attacker to disclose information locally. Buffer over-read in Windows NTFS allows an authorized attacker to disclose information locally.

CVE-2026-42914 [MEDIUM] CWE-125 CVE-2026-42914: Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network. Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.

CVE-2026-40401 [HIGH] CWE-476 CVE-2026-40401: Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service locally. Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service locally.

CVE-2025-55338 [MEDIUM] CWE-1310 CVE-2025-55338: Missing Ability to Patch ROM Code in Windows BitLocker allows an unauthorized attacker to bypass a s Missing Ability to Patch ROM Code in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-25180 [MEDIUM] CWE-125 CVE-2026-25180: Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose infor Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose information locally.

CVE-2026-20827 [MEDIUM] CWE-200 CVE-2026-20827: Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Exposure of sensitive information to an unauthorized actor in Tablet Windows User Interface (TWINUI) Subsystem allows an authorized attacker to disclose information locally.

CVE-2026-25186 [MEDIUM] CWE-200 CVE-2026-25186: Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure ( Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to disclose information locally.

CVE-2026-20819 [MEDIUM] CWE-822 CVE-2026-20819: Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an autho Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.

CVE-2025-55325 [MEDIUM] CWE-126 CVE-2025-55325: Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose in Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose information locally.

CVE-2026-50681 [MEDIUM] CWE-200 CVE-2026-50681: Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

CVE-2026-50352 [MEDIUM] CWE-200 CVE-2026-50352: Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

CVE-2026-42969 [MEDIUM] CWE-908 CVE-2026-42969: Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclos Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information locally.

CVE-2026-50690 [MEDIUM] CWE-908 CVE-2026-50690: Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information l Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.