Microsoft vulnerabilities

Published CVEs affecting Microsoft products: 5213 record(s), with severity, exploitation and fixes.

Windows Server 2025 2995 Windows Server 2025 (Server Core installation) 2991 Windows 11 Version 24H2 2877 Windows 11 Version 25H2 2835 Windows Server 2022 2819 Windows Server 2019 2707 Windows Server 2019 (Server Core installation) 2665 Windows 10 Version 1809 2599 Windows 10 Version 21H2 2575 Windows 11 version 26H1 2565 Windows 10 Version 22H2 2558 Windows 11 version 23H2 2390 Windows Server 2016 2295 Windows Server 2016 (Server Core installation) 2242 Windows 10 Version 1607 2180 Windows 11 24h2 2136 Windows 11 25h2 2094 Windows 10 1809 1992 Windows 10 21h2 1913 Windows 10 22h2 1899 Windows Server 2012 1854 Windows Server 2012 R2 1817 Windows Server 2012 R2 (Server Core installation) 1808 Windows 11 26h1 1806 Windows Server 2012 (Server Core installation) 1703 Windows 10 1607 1702 Windows 11 23h2 1676 Windows 11 Version 26H2 1007 Microsoft 365 Apps for Enterprise 568 Microsoft Office LTSC 2024 548 Microsoft Office LTSC 2021 545 Windows Server 2022 23h2 542 Windows Server 2022, 23H2 Edition (Server Core installation) 541 365 Apps 533 Microsoft Office LTSC for Mac 2021 444 Microsoft Office LTSC for Mac 2024 443 Office 2021 434 Office 2024 434 Microsoft Office 365 for Mac 375 Microsoft Office 2019 375

Exploited only (KEV) →

CVE-2026-96249 High · 7.8 CWE-416 Oct 13, 2026

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

CVE-2026-96248 High · 7.5 CWE-121 Oct 13, 2026

Windows Host Guardian Service Denial of Service Vulnerability

Stack-based buffer overflow in Windows Host Guardian Service allows an unauthorized attacker to deny service over a network.

CVE-2026-96247 Medium · 5.5 CWE-908 Oct 13, 2026

Windows Kernel-Mode Drivers Information Disclosure Vulnerability

Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.

CVE-2026-96246 High · 7.5 CWE-125 Oct 13, 2026

Network Policy Server (NPS) Information Disclosure Vulnerability

Out-of-bounds read in Network Policy Server (NPS) allows an unauthorized attacker to disclose information over a network.

CVE-2026-96245 High · 7.5 CWE-125 Oct 13, 2026

Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability

Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

CVE-2026-96244 High · 7.8 CWE-416 Oct 13, 2026

Windows Internal System User Profile Elevation of Privilege Vulnerability

Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.

CVE-2026-96243 High · 7.8 CWE-59 Oct 13, 2026

Windows WalletService Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Windows WalletService allows an authorized attacker to elevate privileges locally.

CVE-2026-96238 Medium · 6.5 CWE-346 Oct 13, 2026

.NET Security Feature Bypass Vulnerability

Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-96237 High · 7.5 CWE-829 Oct 13, 2026

.NET Remote Code Execution Vulnerability

Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to execute code over a network.

CVE-2026-96236 High · 7.5 CWE-770 Oct 13, 2026

ASP.NET Core Denial of Service Vulnerability

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

CVE-2026-96235 High · 8.8 CWE-787 Oct 13, 2026

.NET Remote Code Execution Vulnerability

Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.

CVE-2026-96234 Medium · 5.3 CWE-346 Oct 13, 2026

.NET Information Disclosure Vulnerability

Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.

CVE-2026-96233 High · 7.5 CWE-787 Oct 13, 2026

ASP.NET Core Denial of Service Vulnerability

Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny service over a network.

CVE-2026-96232 High · 7.5 CWE-125 Oct 13, 2026

.NET Information Disclosure Vulnerability

Out-of-bounds read in .NET allows an unauthorized attacker to disclose information over a network.

CVE-2026-96231 High · 7.8 CWE-59 Oct 13, 2026

.NET Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

CVE-2026-96230 High · 8.8 Public exploit CWE-79 Oct 13, 2026

ASP.NET Core Remote Code Execution Vulnerability

Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

CVE-2026-96229 Medium · 6.5 CWE-183 Oct 13, 2026

.NET Information Disclosure Vulnerability

Permissive list of allowed inputs in .NET allows an unauthorized attacker to disclose information over a network.

CVE-2026-96225 High · 7.8 CWE-59 Oct 13, 2026

.NET Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

CVE-2026-96224 High · 8.8 CWE-787 Oct 13, 2026

.NET Remote Code Execution Vulnerability

Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.

CVE-2026-96223 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-2026-96222 High · 7.4 CWE-295 Oct 13, 2026

Active Directory Federation Services (AD FS) Spoofing Vulnerability

Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-96220 High · 7.8 CWE-94 Oct 13, 2026

Windows Assigned Access Elevation of Privilege Vulnerability

Improper control of generation of code ('code injection') in Windows Assigned Access allows an authorized attacker to elevate privileges locally.

CVE-2026-96219 Critical · 9.8 CWE-787 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-2026-96218 Medium · 5.5 CWE-15 Oct 13, 2026

Windows Update Stack Tampering Vulnerability

Improper access control in Windows Update Stack allows an authorized attacker to perform tampering locally.

CVE-2026-96217 High · 7.8 CWE-122 Oct 13, 2026

Windows NTFS Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.