Microsoft Windows 11 26h1 vulnerabilities
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Published CVEs affecting Microsoft Windows 11 26h1: 1974 record(s), with affected versions and fixes.cpe:2.3:o:microsoft:windows_11_26h1
CVE-2026-70103
High · 7.8
CWE-122 Oct 13, 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-2026-70102
High · 7.8
CWE-416 Oct 13, 2026
Windows Spaceport.sys Elevation of Privilege Vulnerability
Use after free in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-70097
Medium · 5.6
CWE-362 Oct 13, 2026
Windows Virtualization-Based Security (VBS) Enclave Spoofing Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to perform spoofing locally.
CVE-2026-70095
High · 7.5
CWE-122 Oct 13, 2026
Windows iSCSI Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network.
CVE-2026-70093
High · 7.8
CWE-122 Oct 13, 2026
Windows Rich Text Edit Control Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Rich Text Edit Control allows an authorized attacker to elevate privileges locally.
CVE-2026-70092
High · 7.8
CWE-122 Oct 13, 2026
Microsoft PostScript Printer Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to elevate privileges locally.
CVE-2026-70045
High · 7.0
CWE-416 Oct 13, 2026
Windows Work Folders Elevation of Privilege Vulnerability
Use after free in Windows Work Folders allows an authorized attacker to elevate privileges locally.
CVE-2026-70044
Medium · 5.5
CWE-125 Oct 13, 2026
Microsoft Windows Media Foundation Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to disclose information locally.
CVE-2026-70041
Medium · 5.5
CWE-126 Oct 13, 2026
Windows CD-ROM Driver Information Disclosure Vulnerability
Buffer over-read in Windows CD-ROM Driver allows an authorized attacker to disclose information locally.
CVE-2026-70038
High · 8.1
CWE-122 Oct 13, 2026
Windows iSCSI Remote Code Execution Vulnerability
Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.
CVE-2026-70031
High · 7.5
CWE-122 Oct 13, 2026
Windows iSCSI Denial of Service Vulnerability
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to deny service over a network.
CVE-2026-70027
High · 7.8
CWE-122 Oct 13, 2026
Windows Subsystem for Linux Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
CVE-2026-70026
High · 7.0
CWE-416 Oct 13, 2026
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
CVE-2026-70025
Medium · 6.5
CWE-416 Oct 13, 2026
Windows Netlogon Denial of Service Vulnerability
Use after free in Windows Netlogon allows an authorized attacker to deny service over a network.
CVE-2026-70024
Critical · 9.8
CWE-20 Oct 13, 2026
Windows Internet Information Services Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows Internet Information Services allows an unauthorized attacker to execute code over a network.
CVE-2026-70023
High · 7.8
CWE-416 Oct 13, 2026
Windows Hyper-V Elevation of Privilege Vulnerability
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
CVE-2026-70021
High · 7.0
CWE-416 Oct 13, 2026
Windows Direct Composition Elevation of Privilege Vulnerability
Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
CVE-2026-70017
Medium · 5.5
CWE-843 Oct 13, 2026
Windows Secure Kernel Mode Information Disclosure Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Secure Kernel Mode allows an authorized attacker to disclose information locally.
CVE-2026-70015
High · 7.8
CWE-122 Oct 13, 2026
Windows Local Security Authority Subsystem Service (LSASS) Elevation of Privilege Vulnerability
Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.
CVE-2026-70014
High · 7.5
CWE-416 Oct 13, 2026
Windows Cryptographic Services Remote Code Execution Vulnerability
Use after free in Windows Cryptographic Services allows an authorized attacker to execute code over a network.
CVE-2026-70013
High · 8.1
CWE-416 Oct 13, 2026
Windows iSCSI Remote Code Execution Vulnerability
Use after free in Windows iSCSI allows an unauthorized attacker to execute code over a network.
CVE-2026-70012
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-2026-70004
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-2026-69999
Medium · 5.5
CWE-125 Oct 13, 2026
Windows Update Information Disclosure Vulnerability
Out-of-bounds read in Windows Update allows an authorized attacker to disclose information locally.
CVE-2026-69998
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.