Microsoft Windows 11 24H2 vulnerabilities

CVE-2026-32091 [HIGH] CWE-362 CVE-2026-32091: Concurrent execution using shared resource with improper synchronization ('race condition') in Micro Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

CVE-2026-50440 [HIGH] CWE-362 CVE-2026-50440: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service allows an authorized attacker to elevate privileges locally.

CVE-2026-50321 [HIGH] CWE-362 CVE-2026-50321: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-34334 [HIGH] CWE-362 CVE-2026-34334: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2026-49803 [HIGH] CWE-362 CVE-2026-49803: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.

CVE-2026-49183 [HIGH] CWE-362 CVE-2026-49183: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Clipboard Server allows an authorized attacker to elevate privileges locally.

CVE-2026-50384 [HIGH] CWE-362 CVE-2026-50384: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Clip Service allows an authorized attacker to elevate privileges locally.

CVE-2026-50403 [HIGH] CWE-362 CVE-2026-50403: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.

CVE-2026-50669 [HIGH] CWE-362 CVE-2026-50669: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

CVE-2025-50172 [MEDIUM] CWE-770 CVE-2025-50172: Allocation of resources without limits or throttling in Windows DirectX allows an authorized attacke Allocation of resources without limits or throttling in Windows DirectX allows an authorized attacker to deny service over a network.

CVE-2025-53809 [MEDIUM] CWE-20 CVE-2025-53809: Improper input validation in Windows Local Security Authority Subsystem Service (LSASS) allows an au Improper input validation in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.

CVE-2026-32223 [MEDIUM] CWE-122 CVE-2026-32223: Heap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate pr Heap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.

CVE-2025-24996 [MEDIUM] CWE-73 CVE-2025-24996: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-42903 [MEDIUM] CWE-476 CVE-2026-42903: Null pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a ne Null pointer dereference in Windows Kerberos allows an authorized attacker to deny service over a network.

CVE-2026-26155 [MEDIUM] CWE-126 CVE-2026-26155: Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability

CVE-2026-49799 [MEDIUM] CWE-400 CVE-2026-49799: Uncontrolled resource consumption in Windows Local Security Authority Subsystem Service (LSASS) allo Uncontrolled resource consumption in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.

CVE-2026-54126 [MEDIUM] CWE-125 CVE-2026-54126: Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a net Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVE-2025-21276 [HIGH] CWE-191 CVE-2025-21276: Windows MapUrlToZone Denial of Service Vulnerability Windows MapUrlToZone Denial of Service Vulnerability

CVE-2025-21207 [HIGH] CWE-400 CVE-2025-21207: Windows Connected Devices Platform Service (Cdpsvc) Denial of Service Vulnerability Windows Connected Devices Platform Service (Cdpsvc) Denial of Service Vulnerability

CVE-2024-21302 [MEDIUM] CWE-284 CVE-2024-21302: Summary: As of July 8, 2025 Microsoft has completed mitigations to address this vulnerability. See K Summary: As of July 8, 2025 Microsoft has completed mitigations to address this vulnerability. See KB5042562: Guidance for blocking rollback of virtualization-based security related updates and the Recommended Actions section of this CVE for guidance on how to protect your systems from this vulnerability. An elevation of privilege vulnerability exis