Microsoft Windows 11 Version 25H2 vulnerabilities

CVE-2026-83771 [HIGH] CWE-416 CVE-2026-83771: Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate pri Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate privileges over an adjacent network.

CVE-2026-102214 [HIGH] CWE-416 CVE-2026-102214: Use after free in Windows Hyper-V allows an authorized attacker to execute code locally. Use after free in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-70580 [HIGH] CWE-306 CVE-2026-70580: Missing authentication for critical function in Windows Credential Guard allows an authorized attack Missing authentication for critical function in Windows Credential Guard allows an authorized attacker to perform spoofing locally.

CVE-2026-20820 [HIGH] CWE-122 CVE-2026-20820: Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-70062 [HIGH] CWE-415 CVE-2026-70062: Double free in Windows Libarchive allows an unauthorized attacker to execute code over a network. Double free in Windows Libarchive allows an unauthorized attacker to execute code over a network.

CVE-2026-72936 [HIGH] CWE-416 CVE-2026-72936: Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network. Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.

CVE-2026-69438 [HIGH] CWE-681 CVE-2026-69438: Incorrect conversion between numeric types in Microsoft JScript allows an unauthorized attacker to e Incorrect conversion between numeric types in Microsoft JScript allows an unauthorized attacker to execute code over a network.

CVE-2026-62889 [HIGH] CWE-415 CVE-2026-62889: Double free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to ex Double free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.

CVE-2026-85926 [HIGH] CWE-416 CVE-2026-85926: Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.

CVE-2026-70013 [HIGH] CWE-416 CVE-2026-70013: Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network. Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-50460 [HIGH] CWE-362 CVE-2026-50460: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-69773 [HIGH] CWE-122 CVE-2026-69773: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-69346 [HIGH] CWE-122 CVE-2026-69346: Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elev Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges over a network.

CVE-2026-69643 [HIGH] CWE-122 CVE-2026-69643: Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.

CVE-2026-69727 [HIGH] CWE-122 CVE-2026-69727: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-69826 [HIGH] CWE-122 CVE-2026-69826: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-69371 [HIGH] CWE-122 CVE-2026-69371: Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges over a network.

CVE-2026-69423 [HIGH] CWE-122 CVE-2026-69423: Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate priv Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges over a network.

CVE-2026-20921 [HIGH] CWE-362 CVE-2026-20921: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-20926 [HIGH] CWE-362 CVE-2026-20926: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.