Microsoft Windows 11 26h1 vulnerabilities

CVE-2026-69777 High · 8.0 CWE-122 Sep 8, 2026

Windows DHCP Client Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2026-69773 High · 8.0 CWE-122 Sep 8, 2026

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-69772 High · 8.8 CWE-122 Sep 8, 2026

Windows Network File System Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Network File System allows an unauthorized attacker to execute code over a network.

CVE-2026-69771 Medium · 4.7 CWE-59 Sep 8, 2026

Windows Container Manager Service Security Feature Bypass Vulnerability

Improper link resolution before file access ('link following') in Windows Container Manager Service allows an authorized attacker to bypass a security feature locally.

CVE-2026-69770 Medium · 5.5 CWE-908 Sep 8, 2026

Windows Spaceport.sys Information Disclosure Vulnerability

Use of uninitialized resource in Windows Spaceport.sys allows an authorized attacker to disclose information locally.

CVE-2026-69769 Critical · 9.8 CWE-122 Sep 8, 2026

Windows HTTP Print Provider Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows HTTP Print Provider allows an unauthorized attacker to execute code over a network.

CVE-2026-69768 Critical · 9.8 CWE-122 Sep 8, 2026

Windows RNDIS Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to execute code over a network.

CVE-2026-69762 High · 8.8 CWE-121 Sep 8, 2026

Windows Win32k Elevation of Privilege Vulnerability

Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.

CVE-2026-69761 High · 7.5 CWE-416 Sep 8, 2026

Windows TCP/IP Elevation of Privilege Vulnerability

Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.

CVE-2026-69760 High · 7.5 CWE-125 Sep 8, 2026

Windows Kerberos Denial of Service Vulnerability

Out-of-bounds read in Windows Kerberos allows an unauthorized attacker to deny service over a network.

CVE-2026-69758 High · 7.8 CWE-122 Sep 8, 2026

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-69757 High · 7.5 CWE-416 Sep 8, 2026

Windows TCP/IP Elevation of Privilege Vulnerability

Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.

CVE-2026-69741 Medium · 5.5 CWE-125 Sep 8, 2026

Windows Spaceport.sys Information Disclosure Vulnerability

Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information locally.

CVE-2026-69740 High · 8.8 CWE-416 Sep 8, 2026

Windows Hello Elevation of Privilege Vulnerability

Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.

CVE-2026-69738 High · 7.8 CWE-122 Sep 8, 2026

Windows Biometric Service Elevation of Privilege Vulnerability

Integer overflow or wraparound in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69735 High · 7.0 CWE-416 Sep 8, 2026

Windows Broadcast DVR User Service Elevation of Privilege Vulnerability

Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69732 High · 8.1 CWE-122 Sep 8, 2026

Windows Link Layer Topology Discovery Protocol Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Link Layer Topology Discovery Protocol allows an unauthorized attacker to execute code over a network.

CVE-2026-69731 High · 7.8 CWE-122 Sep 8, 2026

HID Class Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in HID class driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69729 High · 8.8 CWE-122 Sep 8, 2026

Windows Credential Providers Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Credential Providers allows an authorized attacker to execute code over a network.

CVE-2026-69727 High · 8.0 CWE-122 Sep 8, 2026

Windows Biometric Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-69725 High · 7.8 CWE-415 Sep 8, 2026

Windows Hello Elevation of Privilege Vulnerability

Double free in Windows Hello allows an authorized attacker to elevate privileges locally.

CVE-2026-69723 Medium · 5.7 CWE-497 Sep 8, 2026

Windows Kernel Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information over a network.

CVE-2026-69720 High · 7.8 CWE-122 Sep 8, 2026

Windows MIDI Service Module Elevation of Privileges Vulnerability

Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

CVE-2026-69717 High · 8.8 CWE-125 Sep 8, 2026

Windows Group Policy Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Group Policy allows an authorized attacker to elevate privileges over a network.

CVE-2026-69715 Critical · 9.8 CWE-122 Sep 8, 2026

Windows Direct Show Remote Code Execution Vulnerability

Out-of-bounds read in Windows Direct Show allows an unauthorized attacker to execute code over a network.