Microsoft Windows 11 Version 25H2 vulnerabilities
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Published CVEs affecting Microsoft Windows 11 Version 25H2: 2835 record(s), with affected versions and fixes.
CVE-2026-83928
High · 8.8
CWE-306 Oct 13, 2026
Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerability
Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network.
CVE-2026-83927
High · 7.8
CWE-59 Oct 13, 2026
Windows Registry Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows Registry allows an authorized attacker to elevate privileges locally.
CVE-2026-83926
Medium · 4.4
CWE-295 Oct 13, 2026
Windows Hello Security Feature Bypass Vulnerability
Improper certificate validation in Windows Hello allows an authorized attacker to bypass a security feature locally.
CVE-2026-83925
Medium · 4.7
CWE-497 Oct 13, 2026
Windows Kernel Information Disclosure Vulnerability
Use of uninitialized resource in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-83924
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-2026-83923
High · 8.8
CWE-23 Oct 13, 2026
Microsoft OpenSSH for Windows Remote Code Execution Vulnerability
Relative path traversal in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.
CVE-2026-83922
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-2026-83921
High · 7.0
CWE-122 Oct 13, 2026
Windows Search Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-83920
High · 7.8
CWE-122 Oct 13, 2026
Windows Search Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-83919
High · 7.8
CWE-122 Oct 13, 2026
Microsoft Internet Messaging API Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Internet Messaging API allows an authorized attacker to execute code locally.
CVE-2026-83918
High · 7.8
CWE-190 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-83917
High · 7.0
CWE-416 Oct 13, 2026
Windows ALPC Elevation of Privilege Vulnerability
Use after free in Windows ALPC allows an authorized attacker to elevate privileges locally.
CVE-2026-83916
High · 7.0
CWE-415 Oct 13, 2026
Windows Error Reporting Remote Code Execution Vulnerability
Double free in Windows Error Reporting allows an authorized attacker to execute code locally.
CVE-2026-83915
High · 7.0
CWE-416 Oct 13, 2026
Windows Diagnostic Policy Service Elevation of Privilege Vulnerability
Use after free in Windows Diagnostic Policy Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83914
High · 8.1
CWE-416 Oct 13, 2026
Microsoft XML Remote Code Execution Vulnerability
Use after free in Microsoft XML allows an unauthorized attacker to execute code over a network.
CVE-2026-83913
High · 7.8
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-2026-83912
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-2026-83911
High · 7.0
CWE-122 Oct 13, 2026
Windows Storage Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
CVE-2026-83910
Critical · 9.8
CWE-787 Oct 13, 2026
RPC Runtime Library Remote Code Execution Vulnerability
Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code over a network.
CVE-2026-83909
Medium · 4.7
CWE-497 Oct 13, 2026
Windows Win32 Kernel Subsystem Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-83908
High · 7.0
CWE-763 Oct 13, 2026
RPC Runtime Elevation of Privilege Vulnerability
Release of invalid pointer or reference in RPC Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-83907
Medium · 5.5
CWE-497 Oct 13, 2026
Windows Hello Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows Hello allows an authorized attacker to disclose information locally.
CVE-2026-83906
Medium · 6.5
CWE-303 Oct 13, 2026
Windows Shell Spoofing Vulnerability
Incorrect implementation of authentication algorithm in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-83905
Medium · 4.7
CWE-497 Oct 13, 2026
Windows Shell Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows Shell allows an authorized attacker to disclose information locally.
CVE-2026-83904
Medium · 5.5
CWE-125 Oct 13, 2026
HID Parser Library Information Disclosure Vulnerability
Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally.