Microsoft Windows 11 25H2 vulnerabilities

CVE-2026-83658 [MEDIUM] CWE-862 CVE-2026-83658: Improper access control in Windows Error Reporting allows an authorized attacker to disclose informa Improper access control in Windows Error Reporting allows an authorized attacker to disclose information locally.

CVE-2026-83764 [MEDIUM] CWE-863 CVE-2026-83764: Incorrect authorization in Windows Clipboard User Service allows an authorized attacker to disclose Incorrect authorization in Windows Clipboard User Service allows an authorized attacker to disclose information locally.

CVE-2026-85938 [MEDIUM] CWE-862 CVE-2026-85938: Improper access control in Windows Broadcast DVR User Service allows an authorized attacker to discl Improper access control in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.

CVE-2026-32212 [MEDIUM] CWE-59 CVE-2026-32212: Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.

CVE-2026-69531 [MEDIUM] CWE-441 CVE-2026-69531: Unintended proxy or intermediary ('confused deputy') in Microsoft Windows Speech allows an authorize Unintended proxy or intermediary ('confused deputy') in Microsoft Windows Speech allows an authorized attacker to perform tampering locally.

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-2025-60708 [MEDIUM] CWE-822 CVE-2025-60708: Untrusted pointer dereference in Storvsp.sys Driver allows an authorized attacker to deny service lo Untrusted pointer dereference in Storvsp.sys Driver allows an authorized attacker to deny service 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-2025-55338 [MEDIUM] CWE-1310 CVE-2025-55338: Missing Ability to Patch ROM Code in Windows BitLocker allows an unauthorized attacker to bypass a s Missing Ability to Patch ROM Code in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-20838 [MEDIUM] CWE-209 CVE-2026-20838: Generation of error message containing sensitive information in Windows Kernel allows an authorized Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-20862 [MEDIUM] CWE-200 CVE-2026-20862: Exposure of sensitive information to an unauthorized actor in Windows Management Services allows an Exposure of sensitive information to an unauthorized actor in Windows Management Services allows an authorized attacker to disclose information 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.