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 2233 Windows 11 25h2 2185 Windows 10 Version 1607 2181 Windows 10 1809 2078 Windows 10 21h2 1994 Windows 10 22h2 1980 Windows 11 26h1 1897 Windows Server 2012 1861 Windows Server 2012 R2 1817 Windows Server 2012 R2 (Server Core installation) 1808 Windows 10 1607 1770 Windows 11 23h2 1768 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-2026-69783 High · 7.8 CWE-73 Oct 13, 2026

Windows Update Elevation of Privilege Vulnerability

External control of file name or path in Windows Update allows an authorized attacker to elevate privileges locally.

CVE-2026-69766 High · 7.0 CWE-362 Oct 13, 2026

Windows Storage Elevation of Privilege Vulnerability

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

CVE-2026-69765 High · 8.8 CWE-416 Oct 13, 2026

Windows Storport Miniport Driver Remote Code Execution Vulnerability

Use after free in Windows Storport Miniport Driver allows an unauthorized attacker to execute code over a network.

CVE-2026-69763 High · 7.0 CWE-362 Oct 13, 2026

Windows Storage Elevation of Privilege Vulnerability

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

CVE-2026-69743 High · 7.0 CWE-416 Oct 13, 2026

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69736 High · 7.0 CWE-362 Oct 13, 2026

Windows Credential Manager Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Credential Manager allows an authorized attacker to elevate privileges locally.

CVE-2026-69733 High · 7.8 CWE-426 Oct 13, 2026

Windows Update Elevation of Privilege Vulnerability

Untrusted search path in Windows Update allows an authorized attacker to elevate privileges locally.

CVE-2026-69721 Medium · 5.5 CWE-125 Oct 13, 2026

Windows iSCSI Information Disclosure Vulnerability

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

CVE-2026-69718 High · 7.8 CWE-77 Oct 13, 2026

Windows Update Elevation of Privilege Vulnerability

Improper neutralization of special elements used in a command ('command injection') in Windows Update allows an authorized attacker to elevate privileges locally.

CVE-2026-69705 Critical · 9.8 CWE-787 Oct 13, 2026

Windows iSCSI Remote Code Execution Vulnerability

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

CVE-2026-69675 Medium · 5.5 CWE-125 Oct 13, 2026

Windows Network File System Information Disclosure Vulnerability

Out-of-bounds read in Windows Network File System allows an authorized attacker to disclose information locally.

CVE-2026-69673 High · 7.8 CWE-59 Oct 13, 2026

Windows Update Elevation of Privilege Vulnerability

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

CVE-2026-69651 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-2026-69650 High · 7.8 CWE-347 Oct 13, 2026

Windows Key Distribution Center Elevation of Privilege Vulnerability

Improper verification of cryptographic signature in Windows Key Distribution Center allows an authorized attacker to elevate privileges locally.

CVE-2026-69644 Medium · 5.5 CWE-497 Oct 13, 2026

Windows iSCSI Information Disclosure Vulnerability

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

CVE-2026-69640 Medium · 5.3 CWE-863 Oct 13, 2026

Windows Key Distribution Center Security Feature Bypass Vulnerability

Incorrect authorization in Windows Key Distribution Center allows an authorized attacker to bypass a security feature over a network.

CVE-2026-69639 Critical · 9.8 CWE-122 Oct 13, 2026

Windows libarchive Remote Code Execution Vulnerability

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

CVE-2026-69635 Medium · 6.6 CWE-122 Oct 13, 2026

Windows Installer Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges with a physical attack.

CVE-2026-69634 Critical · 9.8 CWE-122 Oct 13, 2026

Windows iSCSI Remote Code Execution Vulnerability

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

CVE-2026-69633 High · 7.8 CWE-122 Oct 13, 2026

Windows Update Elevation of Privilege Vulnerability

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

CVE-2026-69596 High · 7.0 CWE-416 Oct 13, 2026

Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69577 High · 7.5 CWE-125 Oct 13, 2026

Microsoft Azure Attestation service and Device Health Attestation Service Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.

CVE-2026-69521 High · 8.8 CWE-190 Oct 13, 2026

Windows iSCSI Remote Code Execution Vulnerability

Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-69506 Medium · 4.7 CWE-125 Oct 13, 2026

Windows Key Storage Provider Information Disclosure Vulnerability

Out-of-bounds read in Windows Key Storage Provider allows an authorized attacker to disclose information locally.

CVE-2026-69471 High · 7.8 CWE-122 Oct 13, 2026

Windows Installer Elevation of Privilege Vulnerability

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