Microsoft Windows 10 21H2 vulnerabilities

CVE-2025-58720 [HIGH] CWE-1240 CVE-2025-58720: Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allow Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

CVE-2024-26232 [HIGH] CWE-843 CVE-2024-26232: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

CVE-2024-43581 [HIGH] CWE-73 CVE-2024-43581: Microsoft OpenSSH for Windows Remote Code Execution Vulnerability Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

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-2026-40414 [HIGH] CWE-476 CVE-2026-40414: Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an a Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over an adjacent network.

CVE-2025-32721 [HIGH] CWE-59 CVE-2025-32721: Improper link resolution before file access ('link following') in Windows Recovery Driver allows an Improper link resolution before file access ('link following') in Windows Recovery Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-50159 [HIGH] CWE-416 CVE-2025-50159: Use after free in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an authorized attacker Use after free in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an authorized attacker to elevate privileges locally.

CVE-2025-54116 [HIGH] CWE-284 CVE-2025-54116: Improper access control in Windows MultiPoint Services allows an authorized attacker to elevate priv Improper access control in Windows MultiPoint Services allows an authorized attacker to elevate privileges locally.

CVE-2025-25004 [HIGH] CWE-284 CVE-2025-25004: Improper access control in Microsoft PowerShell allows an authorized attacker to elevate privileges Improper access control in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.

CVE-2024-30076 [MEDIUM] CWE-59 CVE-2024-30076: Windows Container Manager Service Elevation of Privilege Vulnerability Windows Container Manager Service Elevation of Privilege Vulnerability

CVE-2026-26151 [HIGH] CWE-357 CVE-2026-26151: Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized att Insufficient ui warning of dangerous operations in Windows Remote Desktop allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-69305 [HIGH] CWE-416 CVE-2026-69305: Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privil Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges over a network.

CVE-2026-21253 [HIGH] CWE-416 CVE-2026-21253: Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally. Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally.

CVE-2026-83715 [HIGH] CWE-306 CVE-2026-83715: Missing authentication for critical function in Windows Error Reporting allows an authorized attacke Missing authentication for critical function in Windows Error Reporting allows an authorized attacker to perform tampering locally.

CVE-2024-43502 [HIGH] CWE-908 CVE-2024-43502: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability

CVE-2026-21508 [HIGH] CWE-287 CVE-2026-21508: Improper authentication in Windows Storage allows an authorized attacker to elevate privileges local Improper authentication in Windows Storage allows an authorized attacker to elevate privileges locally.

CVE-2025-49727 [HIGH] CWE-122 CVE-2025-49727: Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2025-54099 [HIGH] CWE-121 CVE-2025-54099: Stack-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized at Stack-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-70198 [HIGH] CWE-416 CVE-2026-70198: Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges loc Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

CVE-2026-83717 [HIGH] CWE-416 CVE-2026-83717: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally. Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.