CVE Intelligence

Microsoft Windows 11 version 26H1 vulnerabilities

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Published CVEs affecting Microsoft Windows 11 version 26H1: 2565 record(s), with affected versions and fixes.

CVE-2026-97819 Medium · 6.5 CWE-125 Oct 13, 2026
Role: DNS Server Information Disclosure Vulnerability
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
CVE-2026-97817 Medium · 6.5 CWE-122 Oct 13, 2026
Role: DNS Server Information Disclosure Vulnerability
Heap-based buffer overflow in DNS Server allows an authorized attacker to disclose information over a network.
CVE-2026-97816 Critical · 9.8 CWE-416 Oct 13, 2026
Microsoft OpenSSH for Windows Remote Code Execution Vulnerability
Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.
CVE-2026-97815 Critical · 9.8 CWE-122 Oct 13, 2026
Windows Error Reporting Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
CVE-2026-97814 Critical · 9.8 CWE-122 Oct 13, 2026
Windows Text Shaping Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
CVE-2026-97813 Medium · 6.5 CWE-122 Oct 13, 2026
Windows Hyper-V Information Disclosure Vulnerability
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information over a network.
CVE-2026-97812 High · 7.0 CWE-415 Oct 13, 2026
Windows Update Orchestrator Service Elevation of Privilege Vulnerability
Double free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
CVE-2026-97811 High · 7.8 CWE-400 Oct 13, 2026
Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability
Double free in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
CVE-2026-97810 High · 7.0 CWE-122 Oct 13, 2026
Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
CVE-2026-97809 High · 7.8 CWE-416 Oct 13, 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-2026-97808 High · 7.0 CWE-416 Oct 13, 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-2026-97807 High · 7.8 CWE-416 Oct 13, 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-2026-97806 High · 7.8 CWE-416 Oct 13, 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-2026-97805 Critical · 9.8 CWE-20 Oct 13, 2026
Windows Partition Management Driver Remote Code Execution Vulnerability
Out-of-bounds read in Windows Partition Management Driver allows an unauthorized attacker to execute code over a network.
CVE-2026-97804 High · 7.8 CWE-122 Oct 13, 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-2026-97803 High · 7.8 CWE-122 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-97800 High · 7.8 CWE-732 Oct 13, 2026
Windows Mobile Broadband Elevation of Privilege Vulnerability
Incorrect permission assignment for critical resource in Windows Mobile Broadband allows an authorized attacker to elevate privileges locally.
CVE-2026-97799 High · 7.8 CWE-347 Oct 13, 2026
Windows Audio Service Elevation of Privilege Vulnerability
Improper verification of cryptographic signature in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-97798 High · 7.8 CWE-88 Oct 13, 2026
Windows Error Reporting Service Elevation of Privilege Vulnerability
Improper neutralization of argument delimiters in a command ('argument injection') in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-97794 High · 7.8 CWE-122 Oct 13, 2026
Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
CVE-2026-97793 High · 7.0 CWE-306 Oct 13, 2026
Windows Setup and Deployment Elevation of Privilege Vulnerability
Missing authentication for critical function in Windows Setup and Deployment allows an authorized attacker to elevate privileges locally.
CVE-2026-97790 Medium · 5.5 CWE-59 Oct 13, 2026
Windows Container Isolation FS Filter Driver (unionfs.sys) Tampering Vulnerability
Improper link resolution before file access ('link following') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to perform tampering locally.
CVE-2026-97789 High · 7.5 CWE-416 Oct 13, 2026
Remote Desktop Client Remote Code Execution Vulnerability
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-97788 High · 7.5 CWE-203 Oct 13, 2026
Active Directory Federation Services (AD FS) Information Disclosure Vulnerability
Observable discrepancy in Active Directory Federation Services (AD FS) allows an unauthorized attacker to disclose information over a network.
CVE-2026-97787 High · 7.0 CWE-362 Oct 13, 2026
Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.