Microsoft Windows 11 26H1 vulnerabilities

CVE-2026-50295 [MEDIUM] CWE-269 CVE-2026-50295: Improper privilege management in Microsoft Windows DNS allows an authorized attacker to bypass a sec Improper privilege management in Microsoft Windows DNS allows an authorized attacker to bypass a security feature locally.

CVE-2026-85320 [MEDIUM] CWE-908 CVE-2026-85320: Use of uninitialized resource in Windows Print Spooler Components allows an authorized attacker to d Use of uninitialized resource in Windows Print Spooler Components allows an authorized attacker to disclose information locally.

CVE-2026-88162 [MEDIUM] CWE-863 CVE-2026-88162: Improper authorization in Windows Encrypting File System (EFS) allows an authorized attacker to perf Improper authorization in Windows Encrypting File System (EFS) allows an authorized attacker to perform tampering locally.

CVE-2026-58638 [MEDIUM] CWE-325 CVE-2026-58638: Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

CVE-2026-32214 [MEDIUM] CWE-284 CVE-2026-32214: Improper access control in Universal Plug and Play (upnp.dll) allows an authorized attacker to discl Improper access control in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.

CVE-2026-45655 [MEDIUM] CWE-693 CVE-2026-45655: Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a securi Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-69771 [MEDIUM] CWE-59 CVE-2026-69771: Improper link resolution before file access ('link following') in Windows Container Manager Service Improper link resolution before file access ('link following') in Windows Container Manager Service allows an authorized attacker to bypass a security feature locally.

CVE-2026-83656 [MEDIUM] CWE-306 CVE-2026-83656: Missing authentication for critical function in Windows Modern Device Management (MDM) allows an aut Missing authentication for critical function in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.

CVE-2026-83636 [MEDIUM] CWE-476 CVE-2026-83636: Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally. Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally.

CVE-2026-70248 [MEDIUM] CWE-476 CVE-2026-70248: Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally. Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally.

CVE-2026-70277 [MEDIUM] CWE-125 CVE-2026-70277: Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to disclose informatio Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to disclose information locally.

CVE-2026-96865 [MEDIUM] CWE-497 CVE-2026-96865: Exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Mode allows an authorized attacker to disclose information locally.

CVE-2026-57083 [MEDIUM] CWE-908 CVE-2026-57083: Use of uninitialized resource in Microsoft Windows Codecs Library allows an unauthorized attacker to Use of uninitialized resource in Microsoft Windows Codecs Library allows an unauthorized attacker to disclose information locally.

CVE-2026-69294 [MEDIUM] CWE-209 CVE-2026-69294: Generation of error message containing sensitive information in Microsoft COM for Windows allows an Generation of error message containing sensitive information in Microsoft COM for Windows allows an authorized attacker to disclose information locally.

CVE-2026-69339 [MEDIUM] CWE-497 CVE-2026-69339: Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service M Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.

CVE-2026-68842 [MEDIUM] CWE-497 CVE-2026-68842: Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service M Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.

CVE-2026-50434 [MEDIUM] CWE-200 CVE-2026-50434: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an a Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

CVE-2026-50334 [MEDIUM] CWE-200 CVE-2026-50334: Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authori Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.

CVE-2026-50339 [MEDIUM] CWE-200 CVE-2026-50339: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an a Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.

CVE-2026-33842 [MEDIUM] CWE-200 CVE-2026-33842: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.