Microsoft Windows 11 Version 25H2 vulnerabilities

CVE-2026-26175 [MEDIUM] CWE-908 CVE-2026-26175: Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a se Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.

CVE-2026-83926 [MEDIUM] CWE-295 CVE-2026-83926: Improper certificate validation in Windows Hello allows an authorized attacker to bypass a security Improper certificate validation in Windows Hello allows an authorized attacker to bypass a security feature locally.

CVE-2026-83766 [MEDIUM] CWE-863 CVE-2026-83766: Incorrect authorization in Windows Hyper-V allows an authorized attacker to bypass a security featur Incorrect authorization in Windows Hyper-V allows an authorized attacker to bypass a security feature over an adjacent network.

CVE-2026-45606 [MEDIUM] CWE-125 CVE-2026-45606: Out-of-bounds read in Microsoft UxTheme Library (uxtheme.dll) allows an authorized attacker to deny Out-of-bounds read in Microsoft UxTheme Library (uxtheme.dll) allows an authorized attacker to deny service locally.

CVE-2026-83909 [MEDIUM] CWE-497 CVE-2026-83909: Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel S Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

CVE-2026-69483 [MEDIUM] CWE-125 CVE-2026-69483: Out-of-bounds read in Windows Image Acquisition allows an authorized attacker to disclose informatio Out-of-bounds read in Windows Image Acquisition allows an authorized attacker to disclose information locally.

CVE-2026-69895 [MEDIUM] CWE-125 CVE-2026-69895: Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information lo Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information locally.

CVE-2026-83788 [MEDIUM] CWE-126 CVE-2026-83788: Buffer over-read in Windows RNDIS allows an unauthorized attacker to disclose information with a phy Buffer over-read in Windows RNDIS allows an unauthorized attacker to disclose information with a physical attack.

CVE-2026-84009 [MEDIUM] CWE-367 CVE-2026-84009: Time-of-check time-of-use (toctou) race condition in Windows Projected File System allows an authori Time-of-check time-of-use (toctou) race condition in Windows Projected File System allows an authorized attacker to perform tampering locally.

CVE-2026-20825 [MEDIUM] CWE-284 CVE-2026-20825: Improper access control in Windows Hyper-V allows an authorized attacker to disclose information loc Improper access control in Windows Hyper-V allows an authorized attacker to disclose information locally.

CVE-2026-27906 [MEDIUM] CWE-20 CVE-2026-27906: Improper input validation in Windows Hello allows an authorized attacker to bypass a security featur Improper input validation in Windows Hello allows an authorized attacker to bypass a security feature locally.

CVE-2026-102221 [MEDIUM] CWE-299 CVE-2026-102221: No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feat No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVE-2026-69713 [MEDIUM] CWE-1395 CVE-2026-69713: Dependency on vulnerable third-party component in Windows Secure Boot allows an authorized attacker Dependency on vulnerable third-party component in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVE-2026-70075 [MEDIUM] CWE-367 CVE-2026-70075: Time-of-check time-of-use (toctou) race condition in Windows Virtualization-Based Security (VBS) Enc Time-of-check time-of-use (toctou) race condition in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.

CVE-2026-32220 [MEDIUM] CWE-284 CVE-2026-32220: Improper access control in Windows Virtualization-Based Security (VBS) Enclave allows an authorized Improper access control in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.

CVE-2026-32209 [MEDIUM] CWE-284 CVE-2026-32209: Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass a security feature locally.

CVE-2025-59190 [MEDIUM] CWE-20 CVE-2025-59190: Improper input validation in Microsoft Windows Search Component allows an unauthorized attacker to d Improper input validation in Microsoft Windows Search Component allows an unauthorized attacker to deny service locally.

CVE-2025-55679 [MEDIUM] CWE-20 CVE-2025-55679: Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.

CVE-2025-58719 [MEDIUM] CWE-416 CVE-2025-58719: Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to eleva Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

CVE-2025-55332 [MEDIUM] CWE-841 CVE-2025-55332: Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.