Microsoft Windows 10 21H2 vulnerabilities

CVE-2025-21307 [CRITICAL] CWE-416 CVE-2025-21307: Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

CVE-2026-100202 [CRITICAL] CWE-416 CVE-2026-100202: Use after free in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute c Use after free in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.

CVE-2026-69824 [CRITICAL] CWE-122 CVE-2026-69824: Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an unauthorized attacker to Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an unauthorized attacker to execute code over a network.

CVE-2026-69496 [CRITICAL] CWE-122 CVE-2026-69496: Heap-based buffer overflow in Windows Compressed Folder allows an unauthorized attacker to execute c Heap-based buffer overflow in Windows Compressed Folder allows an unauthorized attacker to execute code over a network.

CVE-2026-69829 [CRITICAL] CWE-122 CVE-2026-69829: Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a network.

CVE-2026-70296 [CRITICAL] CWE-787 CVE-2026-70296: Out-of-bounds write in Windows Imaging Component allows an unauthorized attacker to execute code ove Out-of-bounds write in Windows Imaging Component allows an unauthorized attacker to execute code over a network.

CVE-2026-49172 [CRITICAL] CWE-122 CVE-2026-49172: Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code ov Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network.

CVE-2026-69634 [CRITICAL] CWE-122 CVE-2026-69634: Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-69639 [CRITICAL] CWE-122 CVE-2026-69639: Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code ove Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.

CVE-2026-85814 [CRITICAL] CWE-122 CVE-2026-85814: 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-2026-96219 [CRITICAL] CWE-787 CVE-2026-96219: 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-2026-54995 [CRITICAL] CWE-416 CVE-2026-54995: Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to ex Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.

CVE-2025-33064 [HIGH] CWE-122 CVE-2025-33064: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

CVE-2026-69628 [HIGH] CWE-122 CVE-2026-69628: Heap-based buffer overflow in Windows iSCSI allows an authorized attacker to execute code over a net Heap-based buffer overflow in Windows iSCSI allows an authorized attacker to execute code over a network.

CVE-2026-72959 [HIGH] CWE-122 CVE-2026-72959: Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine

CVE-2026-56647 [HIGH] CWE-190 CVE-2026-56647: Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized Integer overflow or wraparound in Windows Remote Access Service Infrastructure allows an authorized attacker to elevate privileges over a network.

CVE-2026-69681 [HIGH] CWE-122 CVE-2026-69681: Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges over a network.

CVE-2023-36910 [CRITICAL] CWE-190 CVE-2023-36910: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

CVE-2023-35385 [CRITICAL] CWE-190 CVE-2023-35385: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

CVE-2023-32057 [CRITICAL] CWE-20 CVE-2023-32057: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability