Microsoft Windows 11 Version 25H2 vulnerabilities

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.

CVE-2025-55336 [MEDIUM] CWE-200 CVE-2025-55336: Exposure of sensitive information to an unauthorized actor in Windows Cloud Files Mini Filter Driver Exposure of sensitive information to an unauthorized actor in Windows Cloud Files Mini Filter Driver allows an authorized 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-2025-59509 [MEDIUM] CWE-201 CVE-2025-59509: Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to Insertion of sensitive information into sent data in Windows Speech allows an authorized attacker to disclose information locally.

CVE-2026-20829 [MEDIUM] CWE-125 CVE-2026-20829: Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally. Out-of-bounds read in Windows TPM allows an authorized attacker to disclose information locally.

CVE-2026-20835 [MEDIUM] CWE-125 CVE-2026-20835: Out-of-bounds read in Capability Access Management Service (camsvc) allows an authorized attacker to Out-of-bounds read in Capability Access Management Service (camsvc) allows an authorized attacker to disclose information locally.

CVE-2025-62468 [MEDIUM] CWE-125 CVE-2025-62468: Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose in Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.

CVE-2025-55325 [MEDIUM] CWE-126 CVE-2025-55325: Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose in Buffer over-read in Windows Storage Management Provider allows an authorized attacker to disclose information locally.

CVE-2026-20939 [MEDIUM] CWE-200 CVE-2026-20939: 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.