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-2026-50335High· 7.8Windows Operating Systems Elevation of Privilege Vulnerability
Improper access control in Windows Operating Systems allows an authorized attacker to elevate privileges locally.
CVE-2026-50330High· 7.5Windows Remote Desktop Client Elevation of Privilege Vulnerability
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-50315High· 7.8Windows Image Acquisition Elevation of Privilege Vulnerability
Null pointer dereference in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.
CVE-2026-50312Medium· 4.7Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-50310Medium· 4.7Windows Human Interface Device Information Disclosure Vulnerability
Integer overflow or wraparound in Windows Devices Human Interface allows an authorized attacker to disclose information locally.
CVE-2026-50460High· 8.1Windows Runtime Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-50452High· 7.0Windows Runtime Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-50449High· 7.0Windows Runtime Elevation of Privilege Vulnerability
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-50428High· 7.1Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability
Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
CVE-2026-50416Low· 3.3PoCWin32k Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an authorized attacker to disclose information locally.
CVE-2026-50414High· 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-2026-50410High· 7.0Windows Runtime Elevation of Privilege Vulnerability
Use after free in Windows Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-50404High· 7.0Windows 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 locally.
CVE-2026-50403High· 7.0Windows Runtime Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-50398High· 8.8Windows 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-2026-50388High· 7.8Windows NTFS Remote Code Execution Vulnerability
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-50375Medium· 6.3DirectX Graphics Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DirectX allows an authorized attacker to elevate privileges locally.
CVE-2026-50373High· 7.8Windows Search Service Elevation of Privilege Vulnerability
Improper access control in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-50371High· 7.0Windows LUA File Virtualization Filter Driver Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows LUAFV allows an authorized attacker to elevate privileges locally.
CVE-2026-50366Medium· 6.5Windows Active Directory Domain Services Denial of Service Vulnerability
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
CVE-2026-50361High· 7.8Microsoft Brokering File System Elevation of Privilege Vulnerability
Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
CVE-2026-50358High· 7.0Windows Media Elevation of Privilege Vulnerability
Use after free in Windows Media allows an authorized attacker to elevate privileges locally.
CVE-2026-50353High· 7.8DirectX Graphics Kernel Elevation of Privilege Vulnerability
Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.
CVE-2026-50340High· 8.5Windows Runtime Elevation of Privilege Vulnerability
Use after free in Windows Runtime allows an authorized attacker to elevate privileges over a network.
CVE-2026-50336High· 7.8Windows Media Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally.
CVE-2026-50317High· 7.8Windows Operating Systems Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Operating Systems allows an authorized attacker to elevate privileges locally.
CVE-2026-50471High· 7.8Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-50469High· 7.8Windows Projected File System Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows Projected File System allows an authorized attacker to elevate privileges locally.
CVE-2026-50463High· 7.5Windows Kernel Information Disclosure Vulnerability
Out-of-bounds read in Windows Kernel allows an unauthorized attacker to disclose information over a network.
CVE-2026-50448High· 7.8Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.