Microsoft vulnerabilities
Published CVEs affecting Microsoft products: 5262 record(s), with severity, exploitation and fixes.
Windows Server 2025 3001Windows Server 2025 (Server Core installation) 2987Windows 11 Version 24H2 2873Windows 11 24h2 2856Windows 11 Version 25H2 2825Windows Server 2022 2820Windows 11 25h2 2808Windows Server 2019 2708Windows Server 2019 (Server Core installation) 2657Windows 10 1809 2624Windows 10 Version 1809 2590Windows 10 Version 21H2 2567Windows 11 version 26H1 2555Windows 10 21h2 2551Windows 10 Version 22H2 2550Windows 10 22h2 2537Windows 11 26h1 2516Windows 11 version 23H2 2383Windows 11 23h2 2364Windows Server 2016 2297Windows Server 2016 (Server Core installation) 2233Windows 10 1607 2214Windows 10 Version 1607 2171Windows Server 2012 1885Windows Server 2012 R2 1807Windows Server 2012 R2 (Server Core installation) 1798Windows Server 2012 (Server Core installation) 1693Windows 11 Version 26H2 1007Windows 11 26h2 980Microsoft 365 Apps for Enterprise 576365 Apps 575Microsoft Office LTSC 2024 554Microsoft Office LTSC 2021 551Windows Server 2022 23h2 544Windows Server 2022, 23H2 Edition (Server Core installation) 543Office 2021 465Office 2024 465Microsoft Office LTSC for Mac 2021 462Microsoft Office LTSC for Mac 2024 462Microsoft Office 365 for Mac 389
CVE-2026-40413
High · 7.4
CWE-476 May 12, 2026
Windows TCP/IP Denial of Service Vulnerability
Windows TCP/IP Denial of Service Vulnerability
CVE-2026-40410
High · 7.0
CWE-416 May 12, 2026
Windows SMB Client Elevation of Privilege Vulnerability
Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.
CVE-2026-40408
High · 7.8
CWE-416 May 12, 2026
Windows WAN ARP Driver Elevation of Privilege Vulnerability
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
CVE-2026-40407
High · 7.8
CWE-122 May 12, 2026
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-40406
High · 7.5
CWE-416 May 12, 2026
Windows TCP/IP Information Disclosure Vulnerability
Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
CVE-2026-40405
High · 7.5
CWE-476 May 12, 2026
Windows TCP/IP Denial of Service Vulnerability
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
CVE-2026-40403
High · 8.8
CWE-122 May 12, 2026
Windows Graphics Component Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
CVE-2026-40402
Critical · 9.3
CWE-416 May 12, 2026
Windows Hyper-V Elevation of Privilege Vulnerability
Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.
CVE-2026-40401
High · 7.1
CWE-476 May 12, 2026
Windows TCP/IP Denial of Service Vulnerability
Windows TCP/IP Denial of Service Vulnerability
CVE-2026-40399
High · 7.8
CWE-121 May 12, 2026
Windows TCP/IP Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-40398
High · 7.8
CWE-122 May 12, 2026
Windows Remote Desktop Services Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
CVE-2026-40397
High · 7.8
CWE-191 May 12, 2026
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-40382
High · 7.8
CWE-416 May 12, 2026
Windows Telephony Service Elevation of Privilege Vulnerability
Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-40381
High · 7.8
CWE-284 May 12, 2026
Azure Connected Machine Agent Elevation of Privilege Vulnerability
Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.
CVE-2026-40380
Medium · 6.2
CWE-122 May 12, 2026
Windows Volume Manager Extension Driver Remote Code Execution Vulnerability
Heap-based buffer overflow in Volume Manager Extension Driver allows an authorized attacker to execute code with a physical attack.
CVE-2026-40379
High · 7.5
CWE-200 May 12, 2026
Azure Entra ID Spoofing Vulnerability
Exposure of sensitive information to an unauthorized actor in Azure Entra ID allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-40377
High · 7.8
CWE-122 May 12, 2026
Microsoft Cryptographic Services Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.
CVE-2026-40374
Medium · 6.5
CWE-200 May 12, 2026
Microsoft Power Automate Desktop Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.
CVE-2026-40370
High · 8.8
CWE-610 May 12, 2026
SQL Server Remote Code Execution Vulnerability
External control of file name or path in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-40369
High · 7.8
CWE-822 May 12, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-40368
High · 8.0
CWE-502 May 12, 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-2026-40367
High · 8.4
CWE-822 May 12, 2026
Microsoft Word Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-40366
High · 8.4
CWE-416 May 12, 2026
Microsoft Word Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-40365
High · 8.8
CWE-1220 May 12, 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-2026-40364
High · 8.4
CWE-122 May 12, 2026
Microsoft Word Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.