Microsoft Windows 11 26H1 vulnerabilities

CVE-2026-70024 [CRITICAL] CWE-20 CVE-2026-70024: Stack-based buffer overflow in Windows Internet Information Services allows an unauthorized attacker Stack-based buffer overflow in Windows Internet Information Services allows an unauthorized attacker to execute code over a network.

CVE-2026-85809 [CRITICAL] CWE-122 CVE-2026-85809: 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-2026-72950 [CRITICAL] CWE-122 CVE-2026-72950: 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-2026-85792 [CRITICAL] CWE-416 CVE-2026-85792: 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-2026-83869 [CRITICAL] CWE-191 CVE-2026-83869: Integer underflow (wrap or wraparound) in DNS Server allows an unauthorized attacker to execute code Integer underflow (wrap or wraparound) in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-69714 [HIGH] CWE-121 CVE-2026-69714: Stack-based buffer overflow in Windows Device Association Service allows an authorized attacker to e Stack-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-100219 [CRITICAL] CWE-416 CVE-2026-100219: Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network. Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

CVE-2026-100222 [CRITICAL] CWE-122 CVE-2026-100222: Heap-based buffer overflow in Network Policy Server (NPS) allows an unauthorized attacker to execute Heap-based buffer overflow in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.

CVE-2026-69819 [CRITICAL] CWE-787 CVE-2026-69819: Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code over a network. Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code over a network.

CVE-2026-62815 [CRITICAL] CWE-416 CVE-2026-62815: Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network. Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

CVE-2026-50439 [CRITICAL] CWE-416 CVE-2026-50439: Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.

CVE-2026-102217 [HIGH] CWE-41 CVE-2026-102217: Improper resolution of path equivalence in WebDAV allows an authorized attacker to elevate privilege Improper resolution of path equivalence in WebDAV allows an authorized attacker to elevate privileges over a network.

CVE-2026-73012 [HIGH] CWE-122 CVE-2026-73012: Heap-based buffer overflow in Windows Management Services allows an authorized attacker to elevate p Heap-based buffer overflow in Windows Management Services allows an authorized attacker to elevate privileges over a network.

CVE-2026-71352 [HIGH] CWE-191 CVE-2026-71352: Integer underflow (wrap or wraparound) in Windows Remote Access Connection Manager allows an authori Integer underflow (wrap or wraparound) in Windows Remote Access Connection Manager allows an authorized attacker to execute code over a network.

CVE-2026-56194 [HIGH] CWE-122 CVE-2026-56194: Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate p Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-50666 [HIGH] CWE-416 CVE-2026-50666: Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges over a network.

CVE-2026-50360 [HIGH] CWE-303 CVE-2026-50360: Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized atta Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-69512 [HIGH] CWE-122 CVE-2026-69512: Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.

CVE-2026-69625 [HIGH] CWE-122 CVE-2026-69625: Heap-based buffer overflow in Windows Connected User Experiences and Telemetry allows an authorized Heap-based buffer overflow in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges over a network.

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.