Microsoft Windows 11 version 26H1 vulnerabilities
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Published CVEs affecting Microsoft Windows 11 version 26H1: 2561 record(s), with affected versions and fixes.
CVE-2026-65814
High · 7.8
CWE-122 Aug 11, 2026
Microsoft Windows Storage Port Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage Port Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-65799
High · 7.8
CWE-122 Aug 11, 2026
Windows DNS Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges locally.
CVE-2026-65798
Medium · 6.7
CWE-197 Aug 11, 2026
Windows DNS Elevation of Privilege Vulnerability
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
CVE-2026-65797
Medium · 6.7
CWE-122 Aug 11, 2026
Windows DNS Elevation of Privilege Vulnerability
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
CVE-2026-65795
Medium · 6.7
CWE-197 Aug 11, 2026
Windows DNS Elevation of Privilege Vulnerability
Relative path traversal in Windows DNS allows an authorized attacker to elevate privileges locally.
CVE-2026-65794
Medium · 6.5
CWE-126 Aug 11, 2026
Windows SMB Client Information Disclosure Vulnerability
Buffer over-read in Windows SMB Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-65790
High · 7.8
CWE-122 Aug 11, 2026
Windows Message Queuing Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
CVE-2026-65788
High · 7.0
CWE-416 Aug 11, 2026
Desktop Window Manager Elevation of Privilege Vulnerability
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-65787
High · 7.8
CWE-122 Aug 11, 2026
Desktop Window Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-65786
High · 7.8
CWE-122 Aug 11, 2026
Desktop Window Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-65785
Medium · 6.5
CWE-400 Aug 11, 2026
Windows DHCP Client Denial of Service Vulnerability
Uncontrolled resource consumption in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
CVE-2026-65784
Medium · 5.5
CWE-125 Aug 11, 2026
Windows NTFS Information Disclosure Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
CVE-2026-65780
High · 7.0
CWE-415 Aug 11, 2026
Windows Autopilot Elevation of Privilege Vulnerability
Double free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
CVE-2026-65779
High · 7.0
CWE-416 Aug 11, 2026
Windows Autopilot Elevation of Privilege Vulnerability
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
CVE-2026-65777
Medium · 5.3
CWE-326 Aug 11, 2026
Active Directory Security Feature Bypass Vulnerability
Inadequate encryption strength in Windows Active Directory allows an authorized attacker to bypass a security feature over a network.
CVE-2026-65776
High · 7.0
CWE-416 Aug 11, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-65775
High · 7.8
CWE-416 Aug 11, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-65774
High · 7.8
CWE-122 Aug 11, 2026
Windows Installer Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-65773
High · 7.8
CWE-284 Aug 11, 2026
Windows Kernel Elevation of Privilege Vulnerability
Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-65678
High · 7.0
CWE-416 Aug 11, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-65672
High · 7.8
CWE-122 Aug 11, 2026
Remote Access API Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Access API allows an authorized attacker to elevate privileges locally.
CVE-2026-65671
High · 7.8
CWE-122 Aug 11, 2026
Remote Access API Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Access API allows an authorized attacker to elevate privileges locally.
CVE-2026-65662
Medium · 5.5
CWE-125 Aug 11, 2026
Windows GDI Information Disclosure Vulnerability
Out-of-bounds read in Windows GDI allows an authorized attacker to disclose information locally.
CVE-2026-62908
High · 7.0
CWE-362 Aug 11, 2026
Windows Backup Engine Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
CVE-2026-62894
High · 7.8
CWE-122 Aug 11, 2026
Windows DWM Core Library Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.