Microsoft Windows 10 21H2 vulnerabilities

CVE-2026-50505 [HIGH] CWE-416 CVE-2026-50505: Use after free in Windows Message Queuing allows an authorized attacker to execute code over a netwo Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network.

CVE-2026-83928 [HIGH] CWE-306 CVE-2026-83928: Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthor Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network.

CVE-2025-21285 [HIGH] CWE-476 CVE-2025-21285: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

CVE-2024-38240 [CRITICAL] CWE-125 CVE-2024-38240: Windows Remote Access Connection Manager Elevation of Privilege Vulnerability Windows Remote Access Connection Manager Elevation of Privilege Vulnerability

CVE-2026-105010 [CRITICAL] CWE-416 CVE-2026-105010: Use after free in Microsoft Windows Search Component allows an unauthorized attacker to elevate priv Use after free in Microsoft Windows Search Component allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-49164 [CRITICAL] CWE-122 CVE-2026-49164: Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to ex Heap-based buffer overflow in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.

CVE-2026-50380 [CRITICAL] CWE-122 CVE-2026-50380: Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a ne Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

CVE-2024-20678 [HIGH] CWE-843 CVE-2024-20678: Remote Procedure Call Runtime Remote Code Execution Vulnerability Remote Procedure Call Runtime Remote Code Execution Vulnerability

CVE-2026-20840 [HIGH] CWE-122 CVE-2026-20840: Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

CVE-2023-36423 [HIGH] CWE-122 CVE-2023-36423: Microsoft Remote Registry Service Remote Code Execution Vulnerability Microsoft Remote Registry Service Remote Code Execution Vulnerability

CVE-2023-38148 [HIGH] CWE-121 CVE-2023-38148: Internet Connection Sharing (ICS) Remote Code Execution Vulnerability Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

CVE-2025-24051 [HIGH] CWE-122 CVE-2025-24051: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorize Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

CVE-2023-35641 [HIGH] CWE-682 CVE-2023-35641: Internet Connection Sharing (ICS) Remote Code Execution Vulnerability Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

CVE-2025-64678 [HIGH] CWE-122 CVE-2025-64678: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorize Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

CVE-2026-100220 [HIGH] CWE-122 CVE-2026-100220: Heap-based buffer overflow in Windows Media Video Decoder allows an unauthorized attacker to execute Heap-based buffer overflow in Windows Media Video Decoder allows an unauthorized attacker to execute code over a network.

CVE-2026-83642 [HIGH] CWE-843 CVE-2026-83642: Access of resource using incompatible type ('type confusion') in DNS Server allows an unauthorized a Access of resource using incompatible type ('type confusion') in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-80096 [HIGH] CWE-125 CVE-2026-80096: Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privi Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.

CVE-2026-96952 [HIGH] CWE-122 CVE-2026-96952: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.

CVE-2026-102203 [HIGH] CWE-843 CVE-2026-102203: Access of resource using incompatible type ('type confusion') in RPC Runtime allows an unauthorized Access of resource using incompatible type ('type confusion') in RPC Runtime allows an unauthorized attacker to execute code over a network.

CVE-2026-83874 [HIGH] CWE-122 CVE-2026-83874: Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code over a network.