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 10 Version 1607 2181 Windows 11 24h2 2158 Windows 11 25h2 2110 Windows 10 1809 2006 Windows 10 21h2 1928 Windows 10 22h2 1914 Windows Server 2012 1854 Windows 11 26h1 1822 Windows Server 2012 R2 1817 Windows Server 2012 R2 (Server Core installation) 1808 Windows 10 1607 1714 Windows Server 2012 (Server Core installation) 1703 Windows 11 23h2 1693 Windows 11 Version 26H2 1007 Microsoft 365 Apps for Enterprise 579 Microsoft Office LTSC 2024 559 Microsoft Office LTSC 2021 556 Windows Server 2022 23h2 544 365 Apps 544 Windows Server 2022, 23H2 Edition (Server Core installation) 543 Microsoft Office LTSC for Mac 2021 453 Microsoft Office LTSC for Mac 2024 452 Office 2021 434 Office 2024 434 Microsoft Office 2019 386 Microsoft Office 365 for Mac 375

Exploited only (KEV) →

CVE-2026-84016 High · 7.8 CWE-787 Oct 13, 2026

Windows EAPHost Service Elevation of Privilege Vulnerability

Out-of-bounds write in Windows EAPHost Service allows an authorized attacker to elevate privileges locally.

CVE-2026-84015 Critical · 9.8 CWE-122 Oct 13, 2026

Remote Access Point-to-Point Protocol (PPP) EAP-TLS Remote Code Execution Vulnerability

Heap-based buffer overflow in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an unauthorized attacker to execute code over a network.

CVE-2026-84014 High · 7.0 CWE-122 Oct 13, 2026

Windows Device Association Service Elevation of Privilege Vulnerability

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

CVE-2026-84013 High · 7.8 CWE-416 Oct 13, 2026

Windows Telephony Server Elevation of Privilege Vulnerability

Use after free in Windows Telephony Server allows an authorized attacker to elevate privileges locally.

CVE-2026-84012 High · 8.1 CWE-415 Oct 13, 2026

Windows Remote Desktop Services Remote Code Execution Vulnerability

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

CVE-2026-84011 Medium · 5.5 CWE-863 Oct 13, 2026

Windows SMB Client Security Feature Bypass Vulnerability

Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally.

CVE-2026-84009 Medium · 4.7 CWE-367 Oct 13, 2026

Windows Projected File System Tampering Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Projected File System allows an authorized attacker to perform tampering locally.

CVE-2026-84008 High · 7.5 CWE-407 Oct 13, 2026

.NET Denial of Service Vulnerability

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

CVE-2026-84007 Medium · 6.5 CWE-125 Oct 13, 2026

Remote Desktop Gateway Service Information Disclosure Vulnerability

Out-of-bounds read in Remote Desktop Gateway Service allows an authorized attacker to disclose information over a network.

CVE-2026-83935 Critical · 9.8 CWE-122 Oct 13, 2026

Microsoft XML Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft XML allows an unauthorized attacker to execute code over a network.

CVE-2026-83934 High · 8.8 CWE-121 Oct 13, 2026

Windows GDI+ Remote Code Execution Vulnerability

Stack-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

CVE-2026-83933 Medium · 5.5 CWE-59 Oct 13, 2026

Windows Update Orchestrator Service Information Disclosure Vulnerability

Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to disclose information locally.

CVE-2026-83932 High · 7.8 CWE-122 Oct 13, 2026

Windows Group Policy Elevation of Privilege Vulnerability

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

CVE-2026-83931 High · 7.8 CWE-122 Oct 13, 2026

Windows Hyper-V Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-83930 High · 7.0 CWE-416 Oct 13, 2026

Windows Update Orchestrator Service Elevation of Privilege Vulnerability

Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83929 High · 8.8 CWE-787 Oct 13, 2026

Windows GDI Remote Code Execution Vulnerability

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

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.