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-2026-70083 Medium · 5.5 CWE-863 Oct 13, 2026

Role: DNS Server Tampering Vulnerability

Incorrect authorization in DNS Server allows an authorized attacker to perform tampering locally.

CVE-2026-70082 High · 7.5 CWE-248 Oct 13, 2026

Windows DNS Denial of Service Vulnerability

Uncaught exception in Windows DNS allows an unauthorized attacker to deny service over a network.

CVE-2026-70079 High · 7.5 CWE-841 Oct 13, 2026

Windows DNS Denial of Service Vulnerability

Improper enforcement of behavioral workflow in Windows DNS allows an unauthorized attacker to deny service over a network.

CVE-2026-70077 Medium · 4.7 CWE-416 Oct 13, 2026

Windows Kernel Information Disclosure Vulnerability

Use after free in Windows Kernel allows an authorized attacker to disclose information locally.

CVE-2026-70076 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-2026-70075 Medium · 4.4 CWE-367 Oct 13, 2026

Windows Virtualization-Based Security (VBS) Enclave Security Feature Bypass Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.

CVE-2026-70074 Medium · 5.5 CWE-125 Oct 13, 2026

Windows DNS Information Disclosure Vulnerability

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

CVE-2026-70072 Medium · 6.5 CWE-770 Oct 13, 2026

Windows Netlogon Denial of Service Vulnerability

Allocation of resources without limits or throttling in Windows Netlogon allows an authorized attacker to deny service over a network.

CVE-2026-70071 Medium · 5.5 CWE-347 Oct 13, 2026

Role: DNS Server Tampering Vulnerability

Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.

CVE-2026-70069 High · 8.8 CWE-121 Oct 13, 2026

Windows DHCP Server Remote Code Execution Vulnerability

Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network.

CVE-2026-70068 High · 8.8 CWE-122 Oct 13, 2026

Windows Client-Side Caching (CSC) Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Client-Side Caching (CSC) Service allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-70067 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-2026-70066 High · 7.0 CWE-416 Oct 13, 2026

Windows DHCP Server Elevation of Privilege Vulnerability

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

CVE-2026-70064 High · 7.8 CWE-191 Oct 13, 2026

Windows Kerberos Elevation of Privilege Vulnerability

Integer underflow (wrap or wraparound) in Windows Kerberos allows an authorized attacker to elevate privileges locally.

CVE-2026-70063 Medium · 4.7 CWE-125 Oct 13, 2026

Windows Kernel Information Disclosure Vulnerability

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

CVE-2026-70062 High · 8.1 CWE-415 Oct 13, 2026

Windows libarchive Remote Code Execution Vulnerability

Double free in Windows Libarchive allows an unauthorized attacker to execute code over a network.

CVE-2026-70060 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-2026-70059 High · 7.8 CWE-122 Oct 13, 2026

Windows OLE Elevation of Privilege Vulnerability

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

CVE-2026-70058 High · 7.5 CWE-787 Oct 13, 2026

Windows DHCP Server Remote Code Execution Vulnerability

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

CVE-2026-70057 Medium · 5.5 CWE-863 Oct 13, 2026

Windows Routing and Remote Access Service (RRAS) Security Feature Bypass Vulnerability

Incorrect authorization in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to bypass a security feature locally.

CVE-2026-70056 High · 7.0 CWE-416 Oct 13, 2026

Windows Update Service Elevation of Privilege Vulnerability

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

CVE-2026-70055 Medium · 5.5 CWE-497 Oct 13, 2026

Windows Cryptographic Services Information Disclosure Vulnerability

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

CVE-2026-70054 High · 7.8 CWE-122 Oct 13, 2026

Windows NetBIOS Elevation of Privilege Vulnerability

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

CVE-2026-70052 High · 7.8 CWE-122 Oct 13, 2026

Microsoft PowerShell Remote Code Execution Vulnerability

Integer overflow or wraparound in Windows PowerShell allows an authorized attacker to execute code locally.

CVE-2026-70051 High · 7.8 CWE-843 Oct 13, 2026

Windows SmartScreen Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows SmartScreen allows an authorized attacker to elevate privileges locally.