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-2026-69540
High · 7.0
CWE-416 Sep 8, 2026
Windows Audio Service Elevation of Privilege Vulnerability
Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69539
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-2026-69538
High · 7.8
CWE-125 Sep 8, 2026
Windows Spaceport.sys Remote Code Execution Vulnerability
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to execute code locally.
CVE-2026-69536
High · 7.1
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-2026-69535
High · 7.8
CWE-122 Sep 8, 2026
Windows Spaceport.sys Elevation of Privilege Vulnerability
Numeric truncation error in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-69534
High · 7.8
CWE-77 Sep 8, 2026
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69532
High · 7.8
CWE-125 Sep 8, 2026
Windows NTFS Elevation of Privilege Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-69531
Medium · 5.5
CWE-441 Sep 8, 2026
Microsoft Windows Speech Tampering Vulnerability
Unintended proxy or intermediary ('confused deputy') in Microsoft Windows Speech allows an authorized attacker to perform tampering locally.
CVE-2026-69528
High · 7.8
CWE-306 Sep 8, 2026
Windows Shell Elevation of Privilege Vulnerability
Missing authentication for critical function in Windows Shell allows an authorized attacker to elevate privileges locally.
CVE-2026-69527
Medium · 5.5
CWE-125 Sep 8, 2026
Windows USB Mass Storage Class Driver Information Disclosure Vulnerability
Out-of-bounds read in Windows USB Mass Storage Class Driver allows an authorized attacker to disclose information locally.
CVE-2026-69525
Critical · 9.8
CWE-416 Sep 8, 2026
Remote Desktop Services Remote Code Execution Vulnerability
Use after free in Windows Remote Desktop Services allows an unauthorized attacker to execute code over a network.
CVE-2026-69524
High · 8.1
CWE-416 Sep 8, 2026
Windows Active Directory Domain Services Remote Code Execution Vulnerability
Use after free in Active Directory Domain Services allows an unauthorized attacker to execute code over a network.
CVE-2026-69518
High · 8.8
CWE-122 Sep 8, 2026
Windows Remote Desktop Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.
CVE-2026-69517
High · 7.0
CWE-416 Sep 8, 2026
Windows Wireless Networking Elevation of Privilege Vulnerability
Use after free in Windows Wireless Networking allows an authorized attacker to elevate privileges locally.
CVE-2026-69516
High · 7.0
CWE-416 Sep 8, 2026
Connected Devices Platform Service (Cdpsvc) Elevation of Privilege Vulnerability
Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
CVE-2026-69514
High · 7.5
CWE-122 Sep 8, 2026
Remote Desktop Services Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
CVE-2026-69513
High · 7.8
CWE-122 Sep 8, 2026
Windows Error Reporting Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-69512
High · 8.8
CWE-122 Sep 8, 2026
Windows Spaceport.sys Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.
CVE-2026-69511
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-2026-69509
High · 7.8
CWE-122 Sep 8, 2026
Role: Windows Fax Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Fax Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69508
High · 7.8
CWE-121 Sep 8, 2026
Windows MIDI Service Module Elevation of Privileges Vulnerability
Stack-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
CVE-2026-69507
Medium · 5.7
CWE-538 Sep 8, 2026
Microsoft Windows Search Component Information Disclosure Vulnerability
Insertion of sensitive information into externally-accessible file or directory in Microsoft Windows Search Component allows an authorized attacker to disclose information over a network.
CVE-2026-69505
High · 8.0
CWE-125 Sep 8, 2026
Windows NTFS Elevation of Privilege Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges over a network.
CVE-2026-69504
Medium · 5.5
CWE-125 Sep 8, 2026
Windows NTFS Information Disclosure Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
CVE-2026-69503
High · 8.0
CWE-121 Sep 8, 2026
Windows USB Driver Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges over a network.