Microsoft Windows 10 Version 21H2 vulnerabilities

CVE-2026-42904 [CRITICAL] CWE-122 CVE-2026-42904: Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges o Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.

CVE-2025-33070 [HIGH] CWE-908 CVE-2025-33070: Use of uninitialized resource in Windows Netlogon allows an unauthorized attacker to elevate privile Use of uninitialized resource in Windows Netlogon allows an unauthorized attacker to elevate privileges over a network.

CVE-2024-30017 [HIGH] CWE-122 CVE-2024-30017: Windows Hyper-V Remote Code Execution Vulnerability Windows Hyper-V Remote Code Execution Vulnerability

CVE-2026-49178 [HIGH] CWE-122 CVE-2026-49178: Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to exec Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.

CVE-2026-49179 [HIGH] CWE-77 CVE-2026-49179: Improper neutralization of special elements used in a command ('command injection') in Windows Activ Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an unauthorized attacker to execute code over a network.

CVE-2022-21993 [HIGH] CVE-2022-21993: Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability

CVE-2023-21708 [CRITICAL] CWE-191 CVE-2023-21708: Remote Procedure Call Runtime Remote Code Execution Vulnerability Remote Procedure Call Runtime Remote Code Execution Vulnerability

CVE-2026-72983 [CRITICAL] CWE-416 CVE-2026-72983: Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execu Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execute code over a network.

CVE-2026-47291 [CRITICAL] CWE-122 CVE-2026-47291: Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code o Integer overflow or wraparound in Windows HTTP.sys allows an unauthorized attacker to execute code over a network.

CVE-2022-29129 [HIGH] CVE-2022-29129: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

CVE-2022-29128 [HIGH] CVE-2022-29128: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

CVE-2022-29131 [HIGH] CVE-2022-29131: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

CVE-2022-29141 [HIGH] CVE-2022-29141: Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

CVE-2025-47984 [HIGH] CWE-693 CVE-2025-47984: Protection mechanism failure in Windows GDI allows an unauthorized attacker to disclose information Protection mechanism failure in Windows GDI allows an unauthorized attacker to disclose information over a network.

CVE-2025-53722 [HIGH] CWE-400 CVE-2025-53722: Uncontrolled resource consumption in Windows Remote Desktop Services allows an unauthorized attacker Uncontrolled resource consumption in Windows Remote Desktop Services allows an unauthorized attacker to deny service over a network.

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-2026-69461 [HIGH] CWE-121 CVE-2026-69461: Stack-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a n Stack-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.

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-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-2025-49708 [CRITICAL] CWE-416 CVE-2025-49708: Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges o Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.