Microsoft Windows 10 Version 21H2 vulnerabilities

CVE-2025-53139 [HIGH] CWE-319 CVE-2025-53139: Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.

CVE-2025-26640 [HIGH] CWE-415 CVE-2025-26640: Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally. Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.

CVE-2022-38033 [MEDIUM] CVE-2022-38033: Windows Server Remotely Accessible Registry Keys Information Disclosure Vulnerability Windows Server Remotely Accessible Registry Keys Information Disclosure Vulnerability

CVE-2025-55680 [HIGH] CWE-367 CVE-2025-55680: Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows a Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-54093 [HIGH] CWE-367 CVE-2025-54093: Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2025-53802 [HIGH] CWE-416 CVE-2025-53802: Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges loca Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.

CVE-2025-47975 [HIGH] CWE-415 CVE-2025-47975: Double free in Windows SSDP Service allows an authorized attacker to elevate privileges locally. Double free in Windows SSDP Service allows an authorized attacker to elevate privileges locally.

CVE-2025-27732 [HIGH] CWE-591 CVE-2025-27732: Sensitive data storage in improperly locked memory in Windows Win32K - GRFX allows an authorized att Sensitive data storage in improperly locked memory in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2025-49734 [HIGH] CWE-923 CVE-2025-49734: Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.

CVE-2025-26665 [HIGH] CWE-591 CVE-2025-26665: Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized atta Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized attacker to elevate privileges locally.

CVE-2025-21301 [MEDIUM] CWE-284 CVE-2025-21301: Windows Geolocation Service Information Disclosure Vulnerability Windows Geolocation Service Information Disclosure Vulnerability

CVE-2023-35384 [MEDIUM] CWE-73 CVE-2023-35384: Windows HTML Platforms Security Feature Bypass Vulnerability Windows HTML Platforms Security Feature Bypass Vulnerability

CVE-2025-53807 [HIGH] CWE-362 CVE-2025-53807: Concurrent execution using shared resource with improper synchronization ('race condition') in Micro Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

CVE-2026-26152 [HIGH] CWE-922 CVE-2026-26152: Insecure storage of sensitive information in Windows Cryptographic Services allows an authorized att Insecure storage of sensitive information in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.

CVE-2025-53716 [MEDIUM] CWE-476 CVE-2025-53716: Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an aut Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.

CVE-2025-27468 [HIGH] CWE-269 CVE-2025-27468: Improper privilege management in Windows Secure Kernel Mode allows an authorized attacker to elevate Improper privilege management in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

CVE-2025-62219 [HIGH] CWE-362 CVE-2025-62219: Double free in Microsoft Wireless Provisioning System allows an authorized attacker to elevate privi Double free in Microsoft Wireless Provisioning System allows an authorized attacker to elevate privileges locally.

CVE-2026-45487 [HIGH] CWE-367 CVE-2026-45487: Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69859 [HIGH] CWE-191 CVE-2026-69859: Time-of-check time-of-use (toctou) race condition in Windows USB Audio Class driver (usbaudio.sys) a Time-of-check time-of-use (toctou) race condition in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.

CVE-2025-59205 [HIGH] CWE-362 CVE-2025-59205: Concurrent execution using shared resource with improper synchronization ('race condition') in Micro Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.