Microsoft Windows 11 25H2 vulnerabilities

CVE-2026-25181 [HIGH] CWE-125 CVE-2026-25181: Out-of-bounds read in Windows GDI+ allows an unauthorized attacker to disclose information over a ne Out-of-bounds read in Windows GDI+ allows an unauthorized attacker to disclose information over a network.

CVE-2026-69783 [HIGH] CWE-73 CVE-2026-69783: External control of file name or path in Windows Update allows an authorized attacker to elevate pri External control of file name or path in Windows Update allows an authorized attacker to elevate privileges locally.

CVE-2026-32183 [HIGH] CWE-77 CVE-2026-32183: Improper neutralization of special elements used in a command ('command injection') in Windows Snipp Improper neutralization of special elements used in a command ('command injection') in Windows Snipping Tool allows an unauthorized attacker to execute code locally.

CVE-2026-88133 [HIGH] CWE-59 CVE-2026-88133: Improper authorization in Windows Portable Device Enumerator Service allows an authorized attacker t Improper authorization in Windows Portable Device Enumerator Service allows an authorized attacker to elevate privileges locally.

CVE-2026-96911 [HIGH] CWE-59 CVE-2026-96911: Improper link resolution before file access ('link following') in Microsoft Windows Search Component Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-70163 [HIGH] CWE-770 CVE-2026-70163: Allocation of resources without limits or throttling in OpenSSH for Windows allows an unauthorized a Allocation of resources without limits or throttling in OpenSSH for Windows allows an unauthorized attacker to deny service over a network.

CVE-2026-20811 [HIGH] CWE-822 CVE-2026-20811: Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an au Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVE-2026-20859 [HIGH] CWE-416 CVE-2026-20859: Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges lo Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

CVE-2026-20870 [HIGH] CWE-416 CVE-2026-20870: Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVE-2026-54984 [HIGH] CWE-122 CVE-2026-54984: Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute c Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code locally.

CVE-2026-50347 [HIGH] CWE-122 CVE-2026-50347: Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code local Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code locally.

CVE-2026-32152 [HIGH] CWE-416 CVE-2026-32152: Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-83840 [HIGH] CWE-1390 CVE-2026-83840: Weak authentication in Windows Error Reporting allows an authorized attacker to elevate privileges l Weak authentication in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2026-26179 [HIGH] CWE-415 CVE-2026-26179: Double free in Windows Kernel allows an authorized attacker to elevate privileges locally. Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-35424 [HIGH] CWE-401 CVE-2026-35424: Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol a Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-70245 [HIGH] CWE-843 CVE-2026-70245: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-69809 [HIGH] CWE-401 CVE-2026-69809: Missing release of memory after effective lifetime in Active Directory Domain Services allows an una Missing release of memory after effective lifetime in Active Directory Domain Services allows an unauthorized attacker to deny service over a network.

CVE-2026-69428 [HIGH] CWE-125 CVE-2026-69428: Out-of-bounds read in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized at Out-of-bounds read in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-49788 [HIGH] CWE-770 CVE-2026-49788: Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to de Allocation of resources without limits or throttling in HTTP/2 allows an unauthorized attacker to deny service over a network.

CVE-2026-44806 [HIGH] CWE-401 CVE-2026-44806: Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unaut Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to deny service over a network.