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-2026-69609
Medium · 5.5
CWE-125 Sep 8, 2026
Win32k Information Disclosure Vulnerability
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
CVE-2026-69608
High · 7.8
CWE-190 Sep 8, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Integer overflow or wraparound in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-69606
High · 7.0
CWE-416 Sep 8, 2026
Windows Shell Elevation of Privilege Vulnerability
Use after free in Windows Shell allows an authorized attacker to elevate privileges locally.
CVE-2026-69605
High · 7.0
CWE-416 Sep 8, 2026
Microsoft Install Service Elevation of Privilege Vulnerability
Use after free in Microsoft Install Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69604
High · 7.8
CWE-122 Sep 8, 2026
Windows Audio Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69602
High · 7.5
CWE-416 Sep 8, 2026
Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges over a network.
CVE-2026-69601
High · 8.8
CWE-122 Sep 8, 2026
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
CVE-2026-69600
High · 7.0
CWE-416 Sep 8, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-69599
High · 7.5
CWE-416 Sep 8, 2026
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-2026-69598
High · 8.8
CWE-131 Sep 8, 2026
Windows iSCSI Remote Code Execution Vulnerability
Incorrect calculation of buffer size in Windows iSCSI allows an unauthorized attacker to execute code over a network.
CVE-2026-69597
High · 7.5
CWE-416 Sep 8, 2026
Windows HTTP.sys Elevation of Privilege Vulnerability
Use after free in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network.
CVE-2026-69594
High · 7.8
CWE-122 Sep 8, 2026
Microsoft Local Security Authority (LSA) Server Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally.
CVE-2026-69593
High · 7.8
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 locally.
CVE-2026-69592
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-2026-69591
Medium · 5.7
CWE-125 Sep 8, 2026
Windows NTFS Information Disclosure Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information over a network.
CVE-2026-69590
Critical · 9.8
CWE-122 Sep 8, 2026
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
CVE-2026-69589
High · 7.8
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 locally.
CVE-2026-69588
High · 7.5
CWE-401 Sep 8, 2026
Windows TCP/IP Denial of Service Vulnerability
Missing release of memory after effective lifetime in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
CVE-2026-69587
High · 7.5
CWE-476 Sep 8, 2026
Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
Null pointer dereference in Windows IKE Extension allows an unauthorized attacker to deny service over a network.
CVE-2026-69586
Critical · 9.8
CWE-122 Sep 8, 2026
Microsoft Windows PDF Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.
CVE-2026-69585
High · 7.8
CWE-704 Sep 8, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Incorrect type conversion or cast in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-69584
High · 7.8
CWE-190 Sep 8, 2026
Windows USB Video Driver Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-69583
High · 7.8
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 locally.
CVE-2026-69582
High · 7.8
CWE-126 Sep 8, 2026
Windows Volume Manager Extension Driver Elevation of Privilege Vulnerability
Buffer over-read in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-69581
High · 7.0
CWE-362 Sep 8, 2026
Windows Device Association Service Elevation of Privilege Vulnerability
Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.