Microsoft Windows 11 26H2 vulnerabilities

CVE-2026-83756 [HIGH] CWE-416 CVE-2026-83756: Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

CVE-2026-88074 [HIGH] CWE-190 CVE-2026-88074: Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an auth Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

CVE-2026-85795 [HIGH] CWE-416 CVE-2026-85795: Use after free in Windows Text Services Framework allows an authorized attacker to elevate privilege Use after free in Windows Text Services Framework allows an authorized attacker to elevate privileges locally.

CVE-2026-88100 [HIGH] CWE-416 CVE-2026-88100: Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privile Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

CVE-2026-85375 [HIGH] CWE-416 CVE-2026-85375: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2026-85820 [HIGH] CWE-122 CVE-2026-85820: Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attac Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-96244 [HIGH] CWE-416 CVE-2026-96244: Use after free in Windows Internal System User Profile allows an authorized attacker to elevate priv Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.

CVE-2026-84016 [HIGH] CWE-787 CVE-2026-84016: Out-of-bounds write in Windows EAPHost Service allows an authorized attacker to elevate privileges l Out-of-bounds write in Windows EAPHost Service allows an authorized attacker to elevate privileges locally.

CVE-2026-85332 [HIGH] CWE-416 CVE-2026-85332: Use after free in Windows Device Association Service allows an authorized attacker to elevate privil Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

CVE-2026-96325 [HIGH] CWE-771 CVE-2026-96325: Missing reference to active allocated resource in Windows SMB Server allows an unauthorized attacker Missing reference to active allocated resource in Windows SMB Server allows an unauthorized attacker to deny service over a network.

CVE-2026-88105 [HIGH] CWE-416 CVE-2026-88105: 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-2026-97807 [HIGH] CWE-416 CVE-2026-97807: 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-2026-97809 [HIGH] CWE-416 CVE-2026-97809: 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-2026-96220 [HIGH] CWE-94 CVE-2026-96220: Improper control of generation of code ('code injection') in Windows Assigned Access allows an autho Improper control of generation of code ('code injection') in Windows Assigned Access allows an authorized attacker to elevate privileges locally.

CVE-2026-85376 [HIGH] CWE-1390 CVE-2026-85376: Weak authentication in Windows Print Spooler Components allows an authorized attacker to elevate pri Weak authentication in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

CVE-2026-88073 [HIGH] CWE-416 CVE-2026-88073: Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locall Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-103558 [HIGH] CWE-833 CVE-2026-103558: Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.

CVE-2026-96317 [HIGH] CWE-416 CVE-2026-96317: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-88080 [HIGH] CWE-416 CVE-2026-88080: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally. Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

CVE-2026-85334 [HIGH] CWE-125 CVE-2026-85334: Out-of-bounds read in Windows Message Queuing Queue Manager allows an unauthorized attacker to discl Out-of-bounds read in Windows Message Queuing Queue Manager allows an unauthorized attacker to disclose information over a network.