Microsoft Windows 11 25H2 vulnerabilities

CVE-2026-42903 [MEDIUM] CWE-476 CVE-2026-42903: Null pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a ne Null pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a network.

CVE-2026-26155 [MEDIUM] CWE-126 CVE-2026-26155: Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability

CVE-2026-83706 [MEDIUM] CWE-416 CVE-2026-83706: Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally. Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2025-59244 [MEDIUM] CWE-73 CVE-2025-59244: External control of file name or path in Windows Core Shell allows an unauthorized attacker to perfo External control of file name or path in Windows Core Shell allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-85859 [MEDIUM] CWE-476 CVE-2026-85859: Null pointer dereference in Windows Message Queuing Queue Manager allows an authorized attacker to d Null pointer dereference in Windows Message Queuing Queue Manager allows an authorized attacker to deny service over a network.

CVE-2026-85847 [MEDIUM] CWE-125 CVE-2026-85847: Out-of-bounds read in Windows Print Spooler Components allows an unauthorized attacker to disclose i Out-of-bounds read in Windows Print Spooler Components allows an unauthorized attacker to disclose information over a network.

CVE-2026-69482 [HIGH] CWE-379 CVE-2026-69482: Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows an authorized attacker to perform tampering locally.

CVE-2026-55144 [HIGH] CWE-325 CVE-2026-55144: Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering l Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.

CVE-2026-83509 [HIGH] CWE-426 CVE-2026-83509: Untrusted search path in Windows Setup Files Cleanup allows an authorized attacker to elevate privil Untrusted search path in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.

CVE-2025-60717 [HIGH] CWE-416 CVE-2025-60717: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

CVE-2025-59515 [HIGH] CWE-416 CVE-2025-59515: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

CVE-2025-59202 [HIGH] CWE-416 CVE-2025-59202: Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privilege Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

CVE-2025-50174 [HIGH] CWE-416 CVE-2025-50174: Use after free in Windows Device Association Broker service allows an authorized attacker to elevate Use after free in Windows Device Association Broker service allows an authorized attacker to elevate privileges locally.

CVE-2026-83908 [HIGH] CWE-763 CVE-2026-83908: Release of invalid pointer or reference in RPC Runtime allows an authorized attacker to elevate priv Release of invalid pointer or reference in RPC Runtime allows an authorized attacker to elevate privileges locally.

CVE-2026-88076 [HIGH] CWE-476 CVE-2026-88076: Null pointer dereference in Windows Installer allows an authorized attacker to elevate privileges lo Null pointer dereference in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-96209 [HIGH] CWE-125 CVE-2026-96209: Out-of-bounds read in Windows Network File System allows an authorized attacker to elevate privilege Out-of-bounds read in Windows Network File System allows an authorized attacker to elevate privileges locally.

CVE-2026-70212 [HIGH] CWE-923 CVE-2026-70212: Improper restriction of communication channel to intended endpoints in Windows Security Center allow Improper restriction of communication channel to intended endpoints in Windows Security Center allows an authorized attacker to elevate privileges locally.

CVE-2026-72947 [HIGH] CWE-191 CVE-2026-72947: Integer underflow (wrap or wraparound) in Windows File History Service allows an authorized attacker Integer underflow (wrap or wraparound) in Windows File History Service allows an authorized attacker to elevate privileges locally.

CVE-2025-55328 [HIGH] CWE-362 CVE-2025-55328: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2026-69309 [HIGH] CWE-415 CVE-2026-69309: Double free in Windows Print Spooler Components allows an authorized attacker to elevate privileges Double free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.