Microsoft Windows 11 version 26H1 vulnerabilities

CVE-2026-68849 Medium · 4.7 CWE-125 Sep 8, 2026

Windows Bluetooth Port Driver Information Disclosure Vulnerability

Out-of-bounds read in Windows Bluetooth Port Driver allows an authorized attacker to disclose information locally.

CVE-2026-68848 High · 7.8 CWE-122 Sep 8, 2026

Windows Print Spooler Components Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

CVE-2026-68847 High · 7.0 CWE-416 Sep 8, 2026

Connected User Experiences and Telemetry Elevation of Privilege Vulnerability

Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.

CVE-2026-68846 High · 7.1 CWE-416 Sep 8, 2026

Windows Kernel Elevation of Privilege Vulnerability

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

CVE-2026-68845 High · 7.8 CWE-122 Sep 8, 2026

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-68844 High · 7.8 CWE-122 Sep 8, 2026

Windows Storage Spaces Controller Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to execute code locally.

CVE-2026-68843 Medium · 5.5 CWE-416 Sep 8, 2026

Microsoft Office Word Information Disclosure Vulnerability

Use after free in Microsoft Office Word allows an authorized attacker to disclose information locally.

CVE-2026-68842 Medium · 5.5 CWE-497 Sep 8, 2026

Windows MIDI Service Module Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.

CVE-2026-68841 High · 7.8 CWE-122 Sep 8, 2026

Windows NTFS Elevation of Privilege Vulnerability

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

CVE-2026-68840 High · 7.0 CWE-362 Sep 8, 2026

Windows USB Driver Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-68839 Critical · 9.8 CWE-20 Sep 8, 2026

Windows USB Mass Storage Class Driver Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network.

CVE-2026-68838 High · 8.0 CWE-121 Sep 8, 2026

Windows NTFS Elevation of Privilege Vulnerability

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

CVE-2026-68837 High · 7.0 CWE-416 Sep 8, 2026

Windows File History Service Elevation of Privilege Vulnerability

Use after free in Windows File History Service allows an authorized attacker to elevate privileges locally.

CVE-2026-68835 High · 7.1 CWE-416 Sep 8, 2026

Windows Print Spooler Components Elevation of Privilege Vulnerability

Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges over a network.

CVE-2026-68834 High · 8.0 CWE-121 Sep 8, 2026

Windows NTFS Elevation of Privilege Vulnerability

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

CVE-2026-68833 Medium · 6.8 CWE-122 Sep 8, 2026

Windows NTFS Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a physical attack.

CVE-2026-68832 High · 7.8 CWE-190 Sep 8, 2026

Windows NTFS Elevation of Privilege Vulnerability

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

CVE-2026-68831 Medium · 5.5 CWE-552 Sep 8, 2026

Windows Defender Firewall Service Information Disclosure Vulnerability

Files or directories accessible to external parties in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.

CVE-2026-68830 Medium · 5.5 CWE-59 Sep 8, 2026

Windows Universal Plug and Play (UPnP) Device Host Information Disclosure Vulnerability

Improper link resolution before file access ('link following') in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to disclose information locally.

CVE-2026-68828 High · 8.8 CWE-122 Sep 8, 2026

Remote Desktop Client Remote Code Execution Vulnerability

Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2026-68827 High · 8.0 CWE-122 Sep 8, 2026

Windows GDI+ Elevation of Privilege Vulnerability

Integer underflow (wrap or wraparound) in Windows GDI+ allows an authorized attacker to elevate privileges over a network.

CVE-2026-68825 High · 7.0 CWE-416 Sep 8, 2026

Windows Bind Filter Driver Elevation of Privilege Vulnerability

Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-68824 High · 7.0 CWE-362 Sep 8, 2026

Connected User Experiences and Telemetry Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.

CVE-2026-62813 High · 7.5 CWE-416 Sep 8, 2026

Windows Active Directory Domain Services Remote Code Execution Vulnerability

Use after free in Active Directory Domain Services allows an authorized attacker to execute code over a network.

CVE-2026-62810 High · 7.8 CWE-122 Sep 8, 2026

Active Directory Certificate Services (AD CS) Elevation of Privilege Vulnerability

Heap-based buffer overflow in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.