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-2026-70184
High · 7.8
CWE-41 Oct 13, 2026
Windows Backup Engine Elevation of Privilege Vulnerability
Improper resolution of path equivalence in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
CVE-2026-70177
High · 7.8
CWE-20 Oct 13, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Numeric truncation error in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-70176
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70173
Medium · 5.5
CWE-125 Oct 13, 2026
Microsoft Windows Search Component Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
CVE-2026-70172
High · 7.8
CWE-822 Oct 13, 2026
Windows NTFS Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-70170
Medium · 6.5
CWE-822 Oct 13, 2026
Windows Kernel Denial of Service Vulnerability
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to deny service over a network.
CVE-2026-70169
High · 7.0
CWE-362 Oct 13, 2026
Windows Connected Devices Platform Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.
CVE-2026-70168
High · 7.0
CWE-416 Oct 13, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-70164
High · 7.0
CWE-416 Oct 13, 2026
Windows TCP/IP Elevation of Privilege Vulnerability
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-70163
High · 7.5
CWE-770 Oct 13, 2026
Microsoft OpenSSH for Windows Denial of Service Vulnerability
Allocation of resources without limits or throttling in OpenSSH for Windows allows an unauthorized attacker to deny service over a network.
CVE-2026-70160
High · 7.0
CWE-416 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-70158
High · 8.8
CWE-415 Oct 13, 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-2026-70157
Critical · 9.8
CWE-122 Oct 13, 2026
Windows System Information Console Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows System Information Console allows an unauthorized attacker to execute code over a network.
CVE-2026-70156
High · 7.0
CWE-416 Oct 13, 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-2026-70153
Critical · 9.8
CWE-122 Oct 13, 2026
Microsoft PostScript Printer Driver Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to execute code over a network.
CVE-2026-70151
High · 7.8
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-2026-70150
High · 7.0
CWE-416 Oct 13, 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-2026-70149
High · 8.8
CWE-122 Oct 13, 2026
Windows Client Side Caching driver (csc.sys) Elevation of Privilege Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.
CVE-2026-70148
Medium · 6.5
CWE-441 Oct 13, 2026
Windows Broadcast DVR User Service Information Disclosure Vulnerability
Improper authorization in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.
CVE-2026-70147
Critical · 9.8
CWE-122 Oct 13, 2026
Microsoft PostScript Printer Driver Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to execute code over a network.
CVE-2026-70144
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70143
High · 7.8
CWE-122 Oct 13, 2026
Windows Network File System Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Network File System allows an authorized attacker to execute code locally.
CVE-2026-70142
High · 7.8
CWE-426 Oct 13, 2026
Windows Update Service Elevation of Privilege Vulnerability
Untrusted search path in Windows Update Service allows an authorized attacker to elevate privileges locally.
CVE-2026-70141
Medium · 5.5
CWE-125 Oct 13, 2026
Microsoft Windows Search Component Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
CVE-2026-70140
High · 7.0
CWE-416 Oct 13, 2026
Windows Audio Service Elevation of Privilege Vulnerability
Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.