Microsoft Windows 11 Version 22H2 vulnerabilities

CVE-2025-21191 [HIGH] CWE-367 CVE-2025-21191: Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows a Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.

CVE-2025-27739 [HIGH] CWE-822 CVE-2025-27739: Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-27484 [HIGH] CWE-591 CVE-2025-27484: Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over a network.

CVE-2025-26663 [HIGH] CWE-416 CVE-2025-26663: Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attack Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.

CVE-2025-27487 [HIGH] CWE-122 CVE-2025-27487: Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code ov Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code over a network.

CVE-2025-26675 [HIGH] CWE-125 CVE-2025-26675: Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privilege Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

CVE-2025-27478 [HIGH] CWE-122 CVE-2025-27478: Heap-based buffer overflow in Windows Local Security Authority (LSA) allows an authorized attacker t Heap-based buffer overflow in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally.

CVE-2025-27491 [HIGH] CWE-416 CVE-2025-27491: Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network. Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network.

CVE-2025-21222 [HIGH] CWE-122 CVE-2025-21222: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute c Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.

CVE-2025-21221 [HIGH] CWE-122 CVE-2025-21221: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute c Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.

CVE-2025-26688 [HIGH] CWE-121 CVE-2025-26688: Stack-based buffer overflow in Microsoft Virtual Hard Drive allows an authorized attacker to elevate Stack-based buffer overflow in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges locally.

CVE-2025-29809 [HIGH] CWE-922 CVE-2025-29809: Insecure storage of sensitive information in Windows Kerberos allows an authorized attacker to bypas Insecure storage of sensitive information in Windows Kerberos allows an authorized attacker to bypass a security feature locally.

CVE-2025-26670 [HIGH] CWE-416 CVE-2025-26670: Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attack Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.

CVE-2025-26648 [HIGH] CWE-416 CVE-2025-26648: Sensitive data storage in improperly locked memory in Windows Kernel allows an authorized attacker t Sensitive data storage in improperly locked memory in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-26674 [HIGH] CWE-122 CVE-2025-26674: Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.

CVE-2025-29824 [HIGH] CWE-416 CVE-2025-29824: Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate pri Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-24058 [HIGH] CWE-20 CVE-2025-24058: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-24062 [HIGH] CWE-20 CVE-2025-24062: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-24074 [HIGH] CWE-20 CVE-2025-24074: Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privi Improper input validation in Windows DWM Core Library 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.