Microsoft Windows 11 version 26H1 vulnerabilities
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Published CVEs affecting Microsoft Windows 11 version 26H1: 2555 record(s), with affected versions and fixes.
CVE-2026-58634
High · 7.8
CWE-416 Jul 14, 2026
Desktop Window Manager Elevation of Privilege Vulnerability
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-58633
High · 7.8
CWE-416 Jul 14, 2026
Desktop Window Manager Elevation of Privilege Vulnerability
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-58632
High · 7.8
CWE-416 Jul 14, 2026
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-58629
High · 7.0
CWE-416 Jul 14, 2026
DirectX Graphics Kernel Elevation of Privilege Vulnerability
Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.
CVE-2026-58628
High · 7.8
CWE-362 Jul 14, 2026
Windows Wireless Network Manager Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Networking allows an authorized attacker to elevate privileges locally.
CVE-2026-58626
High · 8.8
CWE-416 Jul 14, 2026
Windows Remote Desktop Services Remote Code Execution Vulnerability
Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
CVE-2026-58613
High · 7.8
CWE-416 Jul 14, 2026
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-58619
High · 7.0
CWE-416 Jul 14, 2026
Windows Sensor Data Service Elevation of Privilege Vulnerability
Use after free in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.
CVE-2026-58594
Critical · 9.8
CWE-190 Jul 14, 2026
Remote Desktop Client Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network.
CVE-2026-58547
High · 7.8
CWE-122 Jul 14, 2026
Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability
Heap-based buffer overflow in Universal Plug and Play (upnp.dll) allows an authorized attacker to elevate privileges locally.
CVE-2026-58546
Medium · 6.5
CWE-908 Jul 14, 2026
Windows Remote Desktop Client Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-58545
Medium · 5.5
CWE-284 Jul 14, 2026
Windows Kernel Security Feature Bypass Vulnerability
Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.
CVE-2026-58544
High · 7.0
CWE-416 Jul 14, 2026
Windows Management Services Elevation of Privilege Vulnerability
Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
CVE-2026-58543
Medium · 6.3
CWE-362 Jul 14, 2026
Universal Print Management Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges with a physical attack.
CVE-2026-58542
High · 7.8
CWE-122 Jul 14, 2026
Windows Media Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
CVE-2026-58541
High · 7.8
CWE-843 Jul 14, 2026
Microsoft DWM Core Library Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized attacker to elevate privileges locally.
CVE-2026-58540
High · 7.8
CWE-285 Jul 14, 2026
Windows Installer Elevation of Privilege Vulnerability
Improper authorization in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-58539
High · 7.5
CWE-125 Jul 14, 2026
Windows Remote Desktop Client Information Disclosure Vulnerability
Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-58538
High · 7.8
CWE-122 Jul 14, 2026
Windows Bluetooth Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
CVE-2026-58537
High · 7.8
CWE-416 Jul 14, 2026
Microsoft NAT Helper Components (ipnathlp.dll) Elevation of Privilege Vulnerability
Use after free in Microsoft NAT Helper Components (ipnathlp.dll) allows an authorized attacker to elevate privileges locally.
CVE-2026-58536
High · 7.8
CWE-416 Jul 14, 2026
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-58535
High · 7.5
CWE-908 Jul 14, 2026
Windows Remote Desktop Client Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-58534
High · 7.8
CWE-122 Jul 14, 2026
Windows Input Method Editor (IME) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
CVE-2026-58533
High · 7.5
CWE-908 Jul 14, 2026
Windows Remote Desktop Client Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-58532
High · 7.8
CWE-190 Jul 14, 2026
Windows Kernel Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.