microsoft has 2,953 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 2137 in the last 90 days against 419 in the 90 before. The busiest recent month was September 2026 with 1005. The median CVSS is 7.8 (high), with 178 rated critical. 3% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 113 days (91 cases). The dominant weakness classes are CWE-122 (585) and CWE-416 (512). Most affected products: windows_10_1607 (644), Windows 10 Version 1607 (481), Microsoft 365 Apps for Enterprise (209).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 3% vs 1% corpus
- Median CVSS
- 7.8
- Publish → KEV
- 113 d median(91)
- Last 90 days
- 2137 prev 419
Weakness classes
Products
- windows_10_1607 644
- Windows 10 Version 1607 481
- Microsoft 365 Apps for Enterprise 209
- windows_10 122
- 365_apps 115
- windows_10_1809 106
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.
2953 CVEsRSS
CVE-2026-50445Medium· 6.5Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
Buffer over-read in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-50437Medium· 5.5Windows DWM Core Library Information Disclosure Vulnerability
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
CVE-2026-50436High· 7.8Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50433High· 7.8Windows Media Elevation of Privilege Vulnerability
Use after free in Windows Media allows an authorized attacker to elevate privileges locally.
CVE-2026-50423High· 7.8Windows Kernel Elevation of Privilege Vulnerability
Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50422High· 7.8Windows NTFS Elevation of Privilege Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-50421High· 7.8Windows Connected User Experiences and Telemetry Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
CVE-2026-50418Medium· 5.1Windows System Secure Feature Bypass Vulnerability
Improper access control in Windows System allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-50405High· 7.8Windows Filtering Platform Elevation of Privilege Vulnerability
Insufficient granularity of access control in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.
CVE-2026-50401Medium· 5.5Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability
Out-of-bounds read in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.
CVE-2026-50397High· 7.0Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50391High· 7.8Windows Group Policy Elevation of Privilege Vulnerability
Improper privilege management in Windows Group Policy allows an authorized attacker to elevate privileges locally.
CVE-2026-50387High· 7.8Windows GDI Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.
CVE-2026-50382High· 8.8DirectX Graphics Kernel Remote Code Execution Vulnerability
Untrusted pointer dereference in Windows DirectX allows an authorized attacker to execute code locally.
CVE-2026-50379High· 7.5Windows Media Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Media allows an authorized attacker to elevate privileges over a network.
CVE-2026-50378High· 7.8Windows Key Guard Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Key Guard allows an authorized attacker to elevate privileges locally.
CVE-2026-50369High· 8.8PoCWindows Remote Desktop Services Elevation of Privilege Vulnerability
Use after free in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.
CVE-2026-50365High· 8.0Remote Access Management service/API (RPC server) Elevation of Privilege Vulnerability
Improper authentication in Windows RPC API allows an unauthorized attacker to elevate privileges over an adjacent network.
CVE-2026-50352Medium· 5.5Windows Cryptographic Services Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
CVE-2026-50346High· 7.8Netlogon RPC Elevation of Privilege Vulnerability
Improper authorization in RPC Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-50344High· 7.8Windows OLE Elevation of Privilege Vulnerability
Improper authorization in Windows OLE allows an authorized attacker to elevate privileges locally.
CVE-2026-50334Medium· 5.5Windows Push Notification Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Notification allows an authorized attacker to disclose information locally.
CVE-2026-50473Medium· 5.5Windows File Explorer Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVE-2026-50466High· 7.8Microsoft Brokering File System Elevation of Privilege Vulnerability
Use after free in Windows Brokering File System allows an authorized attacker to elevate privileges locally.
CVE-2026-50465High· 7.1Windows DNS Client Tampering Vulnerability
Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.
CVE-2026-50462High· 7.8Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-50457High· 7.8Windows Runtime Elevation of Privilege Vulnerability
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-50456Medium· 5.5Windows File Explorer Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
CVE-2026-50455Medium· 5.5Universal Plug and Play (upnp.dll) Information Disclosure Vulnerability
Use of uninitialized resource in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.
CVE-2026-50451High· 7.1Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability
Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.