Microsoft has 4,599 CVEs on record between 2012 and 2026. Disclosure cadence is accelerating: 2930 in the last 90 days against 934 in the 90 before. The busiest recent month was October 2026 with 1482. The median CVSS is 7.8 (high), with 273 rated critical. 2% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 112 days (95 cases). The dominant weakness classes are CWE-122 (931) and CWE-416 (851). Most affected products: windows_10_1607 (988), Windows 10 Version 1607 (877), 365_apps (267).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 2% vs 1% corpus
- Median CVSS
- 7.8
- Publish → KEV
- 112 d median(95)
- Last 90 days
- 2930 prev 934
Weakness classes
Products
- windows_10_1607 988
- Windows 10 Version 1607 877
- 365_apps 267
- Microsoft 365 Apps for Enterprise 232
- Windows 10 Version 1809 199
- windows_10_1809 174
Worst active — by depth score
CVE-2025-53770Critical· 9.8Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing…100CVE-2021-38647Critical· 9.8Open Management Infrastructure (OMI) Remote Code Execution Vulnerability100CVE-2021-34473Critical· 9.1Microsoft Exchange Server Remote Code Execution Vulnerability100CVE-2021-26855Critical· 9.1Microsoft Exchange Server Remote Code Execution Vulnerability100CVE-2020-0796Critical· 10.0A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.100
Microsoft vulnerabilities
CVEs affecting Microsoft, newest first. Open any entry for full detail, references, and exploit status.
4599 CVEsRSS
CVE-2026-103575High· 8.8Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-103572High· 8.8Improper control of generation of code ('code injection') in Visual Studio Tools for Applications and SQL Server Management Studio allows an unauthorized attacker to execute code over a network.
Improper control of generation of code ('code injection') in Visual Studio Tools for Applications and SQL Server Management Studio allows an unauthorized attacker to execute code over a network.
CVE-2026-103569High· 7.5Out-of-bounds read in Windows IKE Extension allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Windows IKE Extension allows an unauthorized attacker to disclose information over a network.
CVE-2026-103568High· 7.8Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Credential Providers allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Credential Providers allows an authorized attacker to elevate privileges locally.
CVE-2026-103567Medium· 5.5Buffer over-read in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.
Buffer over-read in Windows Broadcast DVR User Service allows an authorized attacker to disclose information locally.
CVE-2026-103565High· 7.0Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
CVE-2026-103560Medium· 5.5Improper authorization in DNS Server allows an authorized attacker to perform tampering locally.
Improper authorization in DNS Server allows an authorized attacker to perform tampering locally.
CVE-2026-103558High· 7.5Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.
Deadlock in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to deny service over a network.
CVE-2026-103555High· 7.0Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-103554High· 7.0Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
CVE-2026-103553High· 7.8Out-of-bounds read in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-102870High· 8.8Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
CVE-2026-102869High· 8.8Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.
Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-102867Medium· 6.5Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-102866High· 8.1Improper verification of cryptographic signature in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
Improper verification of cryptographic signature in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-102865Medium· 6.5Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
CVE-2026-102864Medium· 4.6Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
CVE-2026-102863High· 8.8Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-102862High· 8.8Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-102861High· 8.8Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-102860High· 8.8Improper access control in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Improper access control in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-102859Medium· 4.6Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
CVE-2026-102858High· 8.8Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code over a network.
CVE-2026-102857High· 8.8Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
CVE-2026-102856High· 8.8Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office Visio allows an unauthorized attacker to execute code over a network.
CVE-2026-102851Medium· 6.1Incorrect privilege assignment in Visual Studio Code allows an authorized attacker to bypass a security feature locally.
Incorrect privilege assignment in Visual Studio Code allows an authorized attacker to bypass a security feature locally.
CVE-2026-102850High· 8.8Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-102849High· 8.8Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-102233High· 7.8Missing authorization in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
Missing authorization in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-102232High· 7.0Incorrect authorization in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
Incorrect authorization in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.