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-2026-70298 Medium · 6.5 CWE-22 Oct 13, 2026

Microsoft Office SharePoint Information Disclosure Vulnerability

Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

CVE-2026-70297 High · 8.8 CWE-36 Oct 13, 2026

Skype for Business Remote Code Execution Vulnerability

Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to execute code over a network.

CVE-2026-70295 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-2026-70294 Medium · 5.5 CWE-20 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-2026-70293 Medium · 5.5 CWE-908 Oct 13, 2026

Win32k Information Disclosure Vulnerability

Use of uninitialized resource in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

CVE-2026-70292 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-2026-70291 Critical · 9.8 CWE-122 Oct 13, 2026

Microsoft Office Outlook Remote Code Execution Vulnerability

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

CVE-2026-70288 Medium · 5.5 CWE-367 Oct 13, 2026

Win32k Information Disclosure Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

CVE-2026-70287 High · 8.8 CWE-122 Oct 13, 2026

Microsoft Office Word Remote Code Execution Vulnerability

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

CVE-2026-70286 High · 7.8 CWE-122 Oct 13, 2026

Windows Graphics Component Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVE-2026-70285 High · 7.8 CWE-122 Oct 13, 2026

Windows Win32k Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

CVE-2026-70284 Medium · 5.5 CWE-908 Oct 13, 2026

Win32k Information Disclosure Vulnerability

Use of uninitialized resource in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

CVE-2026-70282 High · 8.8 CWE-122 Oct 13, 2026

Microsoft Office Outlook Remote Code Execution Vulnerability

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

CVE-2026-70281 High · 7.5 CWE-125 Oct 13, 2026

Microsoft Office Outlook Information Disclosure Vulnerability

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

CVE-2026-70280 Medium · 4.4 CWE-863 Oct 13, 2026

Windows Hello Security Feature Bypass Vulnerability

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

CVE-2026-70279 Critical · 9.3 CWE-79 Oct 13, 2026

Microsoft Exchange Server Spoofing Vulnerability

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-70278 High · 7.8 CWE-122 Oct 13, 2026

Microsoft Windows Media Foundation Elevation of Privilege Vulnerability

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

CVE-2026-70277 Medium · 5.5 CWE-125 Oct 13, 2026

Windows Fast FAT File System Driver Information Disclosure Vulnerability

Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to disclose information locally.

CVE-2026-70276 High · 7.0 CWE-416 Oct 13, 2026

Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

CVE-2026-70275 High · 8.8 CWE-822 Oct 13, 2026

Windows CD-ROM File System Driver Remote Code Execution Vulnerability

Untrusted pointer dereference in Windows CD-ROM Driver allows an unauthorized attacker to execute code over a network.

CVE-2026-70274 High · 7.8 CWE-416 Oct 13, 2026

Windows Bind Filter Driver Elevation of Privilege Vulnerability

Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-70273 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-2026-70272 High · 7.0 CWE-416 Oct 13, 2026

Windows Installer Elevation of Privilege Vulnerability

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

CVE-2026-70271 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-2026-70270 Medium · 5.5 CWE-822 Oct 13, 2026

Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.