Microsoft Windows 11 24H2 vulnerabilities

CVE-2026-69503 [HIGH] CWE-121 CVE-2026-69503: Stack-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privilege Stack-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges over a network.

CVE-2026-69301 [HIGH] CWE-121 CVE-2026-69301: Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges ov Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.

CVE-2026-69418 [HIGH] CWE-122 CVE-2026-69418: Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privile Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privileges 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-2026-61352 [HIGH] CWE-362 CVE-2026-61352: Concurrent execution using shared resource with improper synchronization ('race condition') in Remot Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-69429 [HIGH] CWE-122 CVE-2026-69429: Heap-based buffer overflow in Windows IKE Extension allows an authorized attacker to execute code ov Heap-based buffer overflow in Windows IKE Extension allows an authorized attacker to execute code 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-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-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-2024-43599 [HIGH] CWE-416 CVE-2024-43599: Remote Desktop Client Remote Code Execution Vulnerability Remote Desktop Client Remote Code Execution Vulnerability

CVE-2024-43517 [HIGH] CWE-122 CVE-2024-43517: Microsoft ActiveX Data Objects Remote Code Execution Vulnerability Microsoft ActiveX Data Objects Remote Code Execution Vulnerability

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-2025-62549 [HIGH] CWE-822 CVE-2025-62549: Untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthor Untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

CVE-2025-21286 [HIGH] CWE-122 CVE-2025-21286: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2025-21266 [HIGH] CWE-122 CVE-2025-21266: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2025-21273 [HIGH] CWE-122 CVE-2025-21273: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

CVE-2025-21282 [HIGH] CWE-122 CVE-2025-21282: Windows Telephony Service Remote Code Execution Vulnerability Windows Telephony Service Remote Code Execution Vulnerability

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

CVE-2025-48817 [HIGH] CWE-23 CVE-2025-48817: Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code ove Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-85818 [CRITICAL] CWE-347 CVE-2026-85818: Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.