Microsoft Windows 11 26H2 vulnerabilities

CVE-2026-69326 [HIGH] CWE-122 CVE-2026-69326: Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to execute code over a n Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to execute code over a network.

CVE-2026-108463 [HIGH] CWE-41 CVE-2026-108463: Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to by Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-85817 [HIGH] CWE-807 CVE-2026-85817: Reliance on untrusted inputs in a security decision in Windows PowerShell allows an unauthorized att Reliance on untrusted inputs in a security decision in Windows PowerShell allows an unauthorized attacker to execute code over a network.

CVE-2026-88116 [HIGH] CWE-822 CVE-2026-88116: Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a n Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-88112 [HIGH] CWE-822 CVE-2026-88112: Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a n Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-85903 [HIGH] CWE-822 CVE-2026-85903: Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a n Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-88114 [HIGH] CWE-822 CVE-2026-88114: Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a n Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.

CVE-2026-83929 [HIGH] CWE-787 CVE-2026-83929: Out-of-bounds write in Windows GDI allows an unauthorized attacker to execute code over a network. Out-of-bounds write in Windows GDI allows an unauthorized attacker to execute code over a network.

CVE-2026-100218 [HIGH] CWE-416 CVE-2026-100218: Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code ove Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

CVE-2026-85371 [HIGH] CWE-416 CVE-2026-85371: Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.

CVE-2026-96917 [HIGH] CWE-122 CVE-2026-96917: Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-108460 [HIGH] CWE-416 CVE-2026-108460: Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a net Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.

CVE-2026-70038 [HIGH] CWE-122 CVE-2026-70038: Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network. Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-69913 [HIGH] CWE-416 CVE-2026-69913: Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network. Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

CVE-2026-85799 [HIGH] CWE-416 CVE-2026-85799: Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.

CVE-2026-85818 [CRITICAL] CWE-347 CVE-2026-85818: Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-102225 [HIGH] CWE-125 CVE-2026-102225: Out-of-bounds read in Windows Text Shaping allows an unauthorized attacker to execute code over a ne Out-of-bounds read in Windows Text Shaping allows an unauthorized attacker to execute code over a network.

CVE-2026-102214 [HIGH] CWE-416 CVE-2026-102214: Use after free in Windows Hyper-V allows an authorized attacker to execute code locally. Use after free in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-85926 [HIGH] CWE-416 CVE-2026-85926: Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.

CVE-2026-70013 [HIGH] CWE-416 CVE-2026-70013: Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network. Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.