Microsoft Windows 11 26H1 vulnerabilities

CVE-2026-70235 [MEDIUM] CWE-862 CVE-2026-70235: Improper authentication in Windows Event Tracing allows an authorized attacker to perform spoofing l Improper authentication in Windows Event Tracing allows an authorized attacker to perform spoofing locally.

CVE-2026-87709 [MEDIUM] CWE-250 CVE-2026-87709: Improper access control in Windows Host Guardian Service allows an authorized attacker to perform ta Improper access control in Windows Host Guardian Service allows an authorized attacker to perform tampering locally.

CVE-2026-72966 [MEDIUM] CWE-862 CVE-2026-72966: Missing authorization in Windows Remote Access Connection Manager allows an authorized attacker to p Missing authorization in Windows Remote Access Connection Manager allows an authorized attacker to perform tampering locally.

CVE-2026-96316 [MEDIUM] CWE-862 CVE-2026-96316: Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized att Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to perform tampering locally.

CVE-2026-96855 [MEDIUM] CWE-862 CVE-2026-96855: Improper access control in Windows Modern Device Management (MDM) allows an authorized attacker to p Improper access control in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.

CVE-2026-96311 [MEDIUM] CWE-862 CVE-2026-96311: Improper authorization in Windows Network List Service allows an authorized attacker to perform tamp Improper authorization in Windows Network List Service allows an authorized attacker to perform tampering locally.

CVE-2026-84011 [MEDIUM] CWE-863 CVE-2026-84011: Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security fea Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally.

CVE-2026-69384 [HIGH] CWE-476 CVE-2026-69384: Null pointer dereference in Virtual Hard Disk (VHD) Miniport Driver allows an unauthorized attacker Null pointer dereference in Virtual Hard Disk (VHD) Miniport Driver allows an unauthorized attacker to deny service locally.

CVE-2026-40401 [HIGH] CWE-476 CVE-2026-40401: Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service locally. Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service locally.

CVE-2026-70232 [MEDIUM] CWE-497 CVE-2026-70232: Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-83713 [MEDIUM] CWE-497 CVE-2026-83713: Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized a Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.

CVE-2026-70199 [MEDIUM] CWE-497 CVE-2026-70199: Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-108462 [MEDIUM] CWE-497 CVE-2026-108462: Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-25180 [MEDIUM] CWE-125 CVE-2026-25180: Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose infor Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose information locally.

CVE-2026-25186 [MEDIUM] CWE-200 CVE-2026-25186: Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure ( Exposure of sensitive information to an unauthorized actor in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to disclose information locally.

CVE-2026-83893 [MEDIUM] CWE-497 CVE-2026-83893: Exposure of sensitive system information to an unauthorized control sphere in Windows Clipboard User Exposure of sensitive system information to an unauthorized control sphere in Windows Clipboard User Service allows an authorized attacker to disclose information locally.

CVE-2026-96948 [MEDIUM] CWE-497 CVE-2026-96948: Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (cs Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.

CVE-2026-69315 [MEDIUM] CWE-497 CVE-2026-69315: Exposure of sensitive system information to an unauthorized control sphere in Windows License Manage Exposure of sensitive system information to an unauthorized control sphere in Windows License Manager allows an authorized attacker to disclose information locally.

CVE-2026-69862 [MEDIUM] CWE-125 CVE-2026-69862: Out-of-bounds read in Windows Wireless Wide Area Network Service allows an authorized attacker to di Out-of-bounds read in Windows Wireless Wide Area Network Service allows an authorized attacker to disclose information locally.

CVE-2026-73008 [MEDIUM] CWE-359 CVE-2026-73008: Exposure of private personal information to an unauthorized actor in Windows Biometric Service allow Exposure of private personal information to an unauthorized actor in Windows Biometric Service allows an authorized attacker to disclose information locally.