Microsoft Windows 11 26H1 vulnerabilities

CVE-2026-96858 [MEDIUM] CWE-306 CVE-2026-96858: Missing authentication for critical function in Windows Security Account Manager allows an authorize Missing authentication for critical function in Windows Security Account Manager allows an authorized attacker to perform tampering locally.

CVE-2026-85831 [MEDIUM] CWE-122 CVE-2026-85831: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to disclose in Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to disclose information locally.

CVE-2026-102188 [MEDIUM] CWE-822 CVE-2026-102188: Untrusted pointer dereference in Windows Storage Port Driver allows an unauthorized attacker to elev Untrusted pointer dereference in Windows Storage Port Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-103578 [MEDIUM] CWE-822 CVE-2026-103578: Untrusted pointer dereference in Windows Kernel allows an unauthorized attacker to elevate privilege Untrusted pointer dereference in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-72999 [MEDIUM] CWE-125 CVE-2026-72999: Out-of-bounds read in Windows USB Hub Driver allows an unauthorized attacker to elevate privileges w Out-of-bounds read in Windows USB Hub Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2026-50299 [MEDIUM] CWE-122 CVE-2026-50299: Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to e Integer overflow or wraparound in Windows Storage Spaces Direct allows an unauthorized attacker to execute code with a physical attack.

CVE-2026-45658 [MEDIUM] CWE-284 CVE-2026-45658: Improper access control in Windows BitLocker allows an authorized attacker to bypass a security feat Improper access control in Windows BitLocker allows an authorized attacker to bypass a security feature locally.

CVE-2026-50374 [MEDIUM] CWE-416 CVE-2026-50374: Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate pr Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges with a physical attack.

CVE-2026-83703 [MEDIUM] CWE-125 CVE-2026-83703: Out-of-bounds read in Windows Wi-Fi Driver allows an unauthorized attacker to deny service over an a Out-of-bounds read in Windows Wi-Fi Driver allows an unauthorized attacker to deny service over an adjacent network.

CVE-2026-65785 [MEDIUM] CWE-400 CVE-2026-65785: Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny ser Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.

CVE-2026-70148 [MEDIUM] CWE-441 CVE-2026-70148: Improper authorization in Windows Broadcast DVR User Service allows an authorized attacker to disclo Improper authorization in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.

CVE-2026-69874 [MEDIUM] CWE-822 CVE-2026-69874: Untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges lo Untrusted pointer dereference in Windows ALPC allows an authorized attacker to elevate privileges locally.

CVE-2026-69552 [MEDIUM] CWE-209 CVE-2026-69552: Generation of error message containing sensitive information in Windows Print Spooler Components all Generation of error message containing sensitive information in Windows Print Spooler Components allows an authorized attacker to disclose information over a network.

CVE-2026-25185 [MEDIUM] CWE-200 CVE-2026-25185: Exposure of sensitive information to an unauthorized actor in Windows Shell Link Processing allows a Exposure of sensitive information to an unauthorized actor in Windows Shell Link Processing allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-96218 [MEDIUM] CWE-15 CVE-2026-96218: Improper access control in Windows Update Stack allows an authorized attacker to perform tampering l Improper access control in Windows Update Stack allows an authorized attacker to perform tampering locally.

CVE-2026-83736 [MEDIUM] CWE-122 CVE-2026-83736: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges loc Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-61368 [MEDIUM] CWE-122 CVE-2026-61368: Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information locally.

CVE-2026-62879 [MEDIUM] CWE-306 CVE-2026-62879: Missing authentication for critical function in Windows SmartScreen allows an authorized attacker to Missing authentication for critical function in Windows SmartScreen allows an authorized attacker to perform tampering locally.

CVE-2026-70057 [MEDIUM] CWE-863 CVE-2026-70057: Incorrect authorization in Windows Routing and Remote Access Service (RRAS) allows an authorized att Incorrect authorization in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to bypass a security feature locally.

CVE-2026-73004 [MEDIUM] CWE-306 CVE-2026-73004: Missing authentication for critical function in Windows Autopilot allows an authorized attacker to p Missing authentication for critical function in Windows Autopilot allows an authorized attacker to perform tampering locally.