Microsoft Windows 10 21H2 vulnerabilities

CVE-2023-33172 [HIGH] CWE-126 CVE-2023-33172: Remote Procedure Call Runtime Denial of Service Vulnerability Remote Procedure Call Runtime Denial of Service Vulnerability

CVE-2023-33168 [HIGH] CWE-126 CVE-2023-33168: Remote Procedure Call Runtime Denial of Service Vulnerability Remote Procedure Call Runtime Denial of Service Vulnerability

CVE-2023-33167 [HIGH] CWE-126 CVE-2023-33167: Remote Procedure Call Runtime Denial of Service Vulnerability Remote Procedure Call Runtime Denial of Service Vulnerability

CVE-2023-33166 [HIGH] CWE-126 CVE-2023-33166: Remote Procedure Call Runtime Denial of Service Vulnerability Remote Procedure Call Runtime Denial of Service Vulnerability

CVE-2023-32034 [HIGH] CWE-125 CVE-2023-32034: Remote Procedure Call Runtime Denial of Service Vulnerability Remote Procedure Call Runtime Denial of Service Vulnerability

CVE-2023-32035 [HIGH] CWE-125 CVE-2023-32035: Remote Procedure Call Runtime Denial of Service Vulnerability Remote Procedure Call Runtime Denial of Service Vulnerability

CVE-2023-33169 [HIGH] CWE-126 CVE-2023-33169: Remote Procedure Call Runtime Denial of Service Vulnerability Remote Procedure Call Runtime Denial of Service Vulnerability

CVE-2023-21526 [HIGH] CVE-2023-21526: Windows Netlogon Information Disclosure Vulnerability Windows Netlogon Information Disclosure Vulnerability

CVE-2023-24948 [HIGH] CWE-122 CVE-2023-24948: Windows Bluetooth Driver Elevation of Privilege Vulnerability Windows Bluetooth Driver Elevation of Privilege Vulnerability

CVE-2023-32054 [HIGH] CWE-36 CVE-2023-32054: Volume Shadow Copy Elevation of Privilege Vulnerability Volume Shadow Copy Elevation of Privilege 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

CVE-2026-69482 [HIGH] CWE-379 CVE-2026-69482: Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows an authorized attacker to perform tampering locally.

CVE-2025-48819 [HIGH] CWE-591 CVE-2025-48819: 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 an adjacent network.

CVE-2025-53147 [HIGH] CWE-416 CVE-2025-53147: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-83509 [HIGH] CWE-426 CVE-2026-83509: Untrusted search path in Windows Setup Files Cleanup allows an authorized attacker to elevate privil Untrusted search path in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.

CVE-2025-54115 [HIGH] CWE-362 CVE-2025-54115: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2025-29841 [HIGH] CWE-362 CVE-2025-29841: Concurrent execution using shared resource with improper synchronization ('race condition') in Unive Concurrent execution using shared resource with improper synchronization ('race condition') in Universal Print Management Service allows an authorized attacker to elevate privileges locally.

CVE-2025-53137 [HIGH] CWE-416 CVE-2025-53137: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-54112 [HIGH] CWE-416 CVE-2025-54112: Use after free in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges l Use after free in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges locally.

CVE-2025-53718 [HIGH] CWE-416 CVE-2025-53718: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.