Microsoft Windows 11 26H2 vulnerabilities

CVE-2026-96951 [HIGH] CWE-77 CVE-2026-96951: Improper neutralization of special elements used in a command ('command injection') in Windows Shell Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-85806 [CRITICAL] CWE-121 CVE-2026-85806: Integer underflow (wrap or wraparound) in Network Policy Server (NPS) allows an unauthorized attacke Integer underflow (wrap or wraparound) in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.

CVE-2026-84015 [CRITICAL] CWE-122 CVE-2026-84015: Heap-based buffer overflow in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an unauthor Heap-based buffer overflow in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an unauthorized attacker to execute code over a network.

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-2026-85792 [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-2026-100219 [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-2026-102217 [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-2026-100202 [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-2026-96909 [CRITICAL] CWE-122 CVE-2026-96909: Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over Heap-based buffer overflow in Windows BitLocker 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-2026-97814 [CRITICAL] CWE-122 CVE-2026-97814: Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code o Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.

CVE-2026-96924 [CRITICAL] CWE-822 CVE-2026-96924: Untrusted pointer dereference in Windows OLE allows an unauthorized attacker to execute code over a Untrusted pointer dereference in Windows OLE allows an unauthorized attacker to execute code over a network.

CVE-2026-97816 [CRITICAL] CWE-416 CVE-2026-97816: Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

CVE-2026-102210 [CRITICAL] CWE-122 CVE-2026-102210: Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code o Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.