Microsoft vulnerabilities

Published CVEs affecting Microsoft products: 5261 record(s), with severity, exploitation and fixes.

Windows Server 2025 3001 Windows Server 2025 (Server Core installation) 2987 Windows 11 Version 24H2 2873 Windows 11 24h2 2856 Windows 11 Version 25H2 2825 Windows Server 2022 2820 Windows 11 25h2 2808 Windows Server 2019 2708 Windows Server 2019 (Server Core installation) 2657 Windows 10 1809 2624 Windows 10 Version 1809 2590 Windows 10 Version 21H2 2567 Windows 11 version 26H1 2555 Windows 10 21h2 2551 Windows 10 Version 22H2 2550 Windows 10 22h2 2537 Windows 11 26h1 2516 Windows 11 version 23H2 2383 Windows 11 23h2 2364 Windows Server 2016 2297 Windows Server 2016 (Server Core installation) 2233 Windows 10 1607 2214 Windows 10 Version 1607 2171 Windows Server 2012 1885 Windows Server 2012 R2 1807 Windows Server 2012 R2 (Server Core installation) 1798 Windows Server 2012 (Server Core installation) 1693 Windows 11 Version 26H2 1007 Windows 11 26h2 980 Microsoft 365 Apps for Enterprise 576 365 Apps 575 Microsoft Office LTSC 2024 554 Microsoft Office LTSC 2021 551 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 459 Microsoft Office LTSC for Mac 2024 459 Microsoft Office 2019 386

Exploited only (KEV) →

CVE-2026-63520 High · 8.1 CWE-20 Aug 11, 2026

Microsoft SharePoint Server Remote Code Execution Vulnerability

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

CVE-2026-63519 High · 7.8 CWE-122 Aug 11, 2026

Microsoft Office Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-63518 High · 7.8 CWE-122 Aug 11, 2026

Microsoft Office Word Remote Code Execution Vulnerability

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

CVE-2026-63517 Medium · 5.5 CWE-125 Aug 11, 2026

Microsoft Office Graphics Component Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVE-2026-63516 Medium · 6.5 CWE-502 Aug 11, 2026

Microsoft SharePoint Server Spoofing Vulnerability

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVE-2026-63515 High · 7.8 CWE-125 Aug 11, 2026

Microsoft Office Remote Code Execution Vulnerability

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-63514 High · 8.8 CWE-502 Aug 11, 2026

Microsoft SharePoint Server Remote Code Execution Vulnerability

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2026-63513 High · 7.8 CWE-122 Aug 11, 2026

Microsoft Office Graphics Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-63512 Medium · 6.5 CWE-863 Aug 11, 2026

Microsoft SharePoint Server Tampering Vulnerability

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.

CVE-2026-62917 Medium · 4.6 CWE-20 Aug 11, 2026

Microsoft SharePoint Server Spoofing Vulnerability

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVE-2026-62915 Medium · 6.5 CWE-862 Aug 11, 2026

Microsoft Exchange Server Security Feature Bypass Vulnerability

Missing authorization in Microsoft Exchange Server allows an authorized attacker to bypass a security feature over a network.

CVE-2026-62914 Medium · 5.4 CWE-79 Aug 11, 2026

Microsoft Exchange Server Spoofing Vulnerability

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

CVE-2026-62913 High · 8.8 CWE-122 Aug 11, 2026

Microsoft Exchange Server Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.

CVE-2026-62912 Medium · 6.5 CWE-502 Aug 11, 2026

Microsoft Exchange Server Denial of Service Vulnerability

Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.

CVE-2026-62911 High · 8.0 CWE-294 Aug 11, 2026

Microsoft Exchange Server Elevation of Privilege Vulnerability

Authentication bypass by capture-replay in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-62910 High · 8.8 CWE-99 Aug 11, 2026

Microsoft Exchange Server Elevation of Privilege Vulnerability

Improper control of resource identifiers ('resource injection') in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-62909 High · 7.8 CWE-252 Aug 11, 2026

.NET Elevation of Privilege Vulnerability

Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.

CVE-2026-62908 High · 7.0 CWE-362 Aug 11, 2026

Windows Backup Engine Elevation of Privilege Vulnerability

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

CVE-2026-62902 Medium · 6.5 CWE-693 Aug 11, 2026

.NET Information Disclosure Vulnerability

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

CVE-2026-62901 High · 7.5 CWE-606 Aug 11, 2026

.NET Denial of Service Vulnerability

Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.

CVE-2026-62900 Medium · 5.9 CWE-212 Aug 11, 2026

.NET Information Disclosure Vulnerability

Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized attacker to disclose information over a network.

CVE-2026-62899 Medium · 5.9 CWE-444 Aug 11, 2026

.NET Security Feature Bypass Vulnerability

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

CVE-2026-62898 High · 7.5 CWE-416 Aug 11, 2026

Microsoft QUIC Information Disclosure Vulnerability

Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

CVE-2026-62897 High · 7.0 CWE-190 Aug 11, 2026

.NET Framework Remote Code Execution Vulnerability

Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to execute code locally.

CVE-2026-62894 High · 7.8 CWE-122 Aug 11, 2026

Windows DWM Core Library Elevation of Privilege Vulnerability

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