Microsoft vulnerabilities

Published CVEs affecting Microsoft products: 5234 record(s), with severity, exploitation and fixes.

Windows Server 2025 3001 Windows Server 2025 (Server Core installation) 2997 Windows 11 Version 24H2 2883 Windows 11 Version 25H2 2835 Windows Server 2022 2820 Windows Server 2019 2708 Windows Server 2019 (Server Core installation) 2666 Windows 10 Version 1809 2600 Windows 10 Version 21H2 2576 Windows 11 version 26H1 2565 Windows 10 Version 22H2 2559 Windows 11 version 23H2 2391 Windows Server 2016 2296 Windows Server 2016 (Server Core installation) 2243 Windows 11 24h2 2218 Windows 10 Version 1607 2181 Windows 11 25h2 2170 Windows 10 1809 2066 Windows 10 21h2 1982 Windows 10 22h2 1968 Windows 11 26h1 1882 Windows Server 2012 1860 Windows Server 2012 R2 1817 Windows Server 2012 R2 (Server Core installation) 1808 Windows 10 1607 1761 Windows 11 23h2 1754 Windows Server 2012 (Server Core installation) 1703 Windows 11 Version 26H2 1007 Microsoft 365 Apps for Enterprise 579 365 Apps 575 Microsoft Office LTSC 2024 559 Microsoft Office LTSC 2021 556 Windows Server 2022 23h2 544 Windows Server 2022, 23H2 Edition (Server Core installation) 543 Office 2021 465 Office 2024 465 Microsoft Office LTSC for Mac 2021 453 Microsoft Office LTSC for Mac 2024 452 Microsoft Office 2019 386 Microsoft Office 365 for Mac 375

Exploited only (KEV) →

CVE-2026-70212 High · 7.0 CWE-923 Oct 13, 2026

Windows Security Center Elevation of Privilege Vulnerability

Improper restriction of communication channel to intended endpoints in Windows Security Center allows an authorized attacker to elevate privileges locally.

CVE-2026-70211 Medium · 5.5 CWE-125 Oct 13, 2026

Win32k Information Disclosure Vulnerability

Out-of-bounds read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

CVE-2026-70210 High · 8.8 CWE-122 Oct 13, 2026

Windows OLE DB Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-70209 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-2026-70208 Medium · 5.5 CWE-125 Oct 13, 2026

HTTP.sys Information Disclosure Vulnerability

Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to disclose information locally.

CVE-2026-70207 High · 7.5 CWE-122 Oct 13, 2026

Network Policy Server (NPS) Remote Code Execution Vulnerability

Heap-based buffer overflow in Network Policy Server (NPS) allows an authorized attacker to execute code over a network.

CVE-2026-70206 Medium · 6.5 CWE-125 Oct 13, 2026

Microsoft Office Word Information Disclosure Vulnerability

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

CVE-2026-70205 High · 7.0 CWE-843 Oct 13, 2026

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-70202 High · 7.5 CWE-918 Oct 13, 2026

Microsoft Office SharePoint Elevation of Privilege Vulnerability

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

CVE-2026-70201 Medium · 5.5 CWE-125 Oct 13, 2026

Windows DHCP Server Denial of Service Vulnerability

Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service locally.

CVE-2026-70199 Medium · 5.5 CWE-497 Oct 13, 2026

Windows Kernel Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-70198 High · 7.0 CWE-416 Oct 13, 2026

Windows Push Notifications Elevation of Privilege Vulnerability

Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges locally.

CVE-2026-70197 High · 8.1 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-2026-70196 Medium · 5.9 CWE-407 Oct 13, 2026

ASP.NET Core Denial of Service Vulnerability

Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.

CVE-2026-70195 Medium · 4.7 CWE-362 Oct 13, 2026

Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.

CVE-2026-70194 Medium · 6.5 CWE-295 Oct 13, 2026

.NET Framework Security Feature Bypass Vulnerability

Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-70190 High · 7.3 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-2026-70188 Critical · 9.1 CWE-444 Oct 13, 2026

ASP.NET Core Security Feature Bypass Vulnerability

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network.

CVE-2026-70187 High · 8.1 CWE-416 Oct 13, 2026

Windows Remote Desktop Services Remote Code Execution Vulnerability

Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

CVE-2026-70186 High · 7.5 CWE-833 Oct 13, 2026

ASP.NET Core Denial of Service Vulnerability

Deadlock in ASP.NET Core allows an unauthorized attacker to deny service over a network.

CVE-2026-70185 High · 8.8 CWE-639 Oct 13, 2026

Microsoft PowerShell Security Feature Bypass Vulnerability

Protection mechanism failure in Windows PowerShell allows an authorized attacker to bypass a security feature locally.

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-2026-70183 High · 7.5 CWE-362 Oct 13, 2026

ASP.NET Core Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

CVE-2026-70181 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-2026-70179 High · 7.5 CWE-290 Oct 13, 2026

ASP.NET Core Elevation of Privilege Vulnerability

Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network.