Microsoft Windows 11 24H2 vulnerabilities

CVE-2026-32225 [HIGH] CWE-693 CVE-2026-32225: Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security f Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

CVE-2025-53131 [HIGH] CWE-122 CVE-2025-53131: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code 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-2025-21294 [HIGH] CWE-591 CVE-2025-21294: Microsoft Digest Authentication Remote Code Execution Vulnerability Microsoft Digest Authentication Remote Code Execution Vulnerability

CVE-2026-40415 [HIGH] CWE-416 CVE-2026-40415: Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network. Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

CVE-2026-45635 [HIGH] CWE-843 CVE-2026-45635: Access of resource using incompatible type ('type confusion') in Universal Plug and Play (upnp.dll) Access of resource using incompatible type ('type confusion') in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.

CVE-2026-45599 [HIGH] CWE-416 CVE-2026-45599: Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.

CVE-2025-21311 [CRITICAL] CWE-303 CVE-2025-21311: Windows NTLM V1 Elevation of Privilege Vulnerability Windows NTLM V1 Elevation of Privilege Vulnerability

CVE-2025-21204 [HIGH] CWE-59 CVE-2025-21204: Improper link resolution before file access ('link following') in Windows Update Stack allows an aut Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.

CVE-2026-33829 [MEDIUM] CWE-200 CVE-2026-33829: Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauth Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-24289 [HIGH] CWE-416 CVE-2026-24289: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2025-24056 [HIGH] CWE-122 CVE-2025-24056: Heap-based buffer overflow in Windows Telephony Server allows an unauthorized attacker to execute co Heap-based buffer overflow in Windows Telephony Server allows an unauthorized attacker to execute code over a network.

CVE-2024-43533 [HIGH] CWE-416 CVE-2024-43533: Remote Desktop Client Remote Code Execution Vulnerability Remote Desktop Client Remote Code Execution Vulnerability

CVE-2026-20871 [HIGH] CWE-416 CVE-2026-20871: Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locall Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locally.

CVE-2024-43599 [HIGH] CWE-416 CVE-2024-43599: Remote Desktop Client Remote Code Execution Vulnerability Remote Desktop Client Remote Code Execution Vulnerability

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-2025-21205 [HIGH] CWE-122 CVE-2025-21205: 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-2025-29966 [HIGH] CWE-122 CVE-2025-29966: Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.

CVE-2025-21417 [HIGH] CWE-122 CVE-2025-21417: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability