microsoft has 2,953 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 2136 in the last 90 days against 414 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
- 2136 prev 414
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-2026-42974High· 8.1Windows Performance Monitor Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
CVE-2026-42978High· 7.8PoCWindows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-42977High· 7.8Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-42979High· 7.8Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-44809High· 7.8Windows Common Log File System Driver Elevation of Privilege Vulnerability
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-42991High· 7.8Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-42989High· 7.8Winlogon Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.
CVE-2026-44810High· 8.4Microsoft Cryptographic Services Elevation of Privilege Vulnerability
Improper authentication in Windows Cryptographic Services allows an unauthorized attacker to elevate privileges locally.
CVE-2026-42992High· 7.5Remote Desktop Client Remote Code Execution Vulnerability
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-44811High· 7.8Windows DWM Core Library Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-44808High· 7.8Windows DWM Core Library Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-44805Medium· 5.5Windows Network Controller (NC) Host Agent Denial of Service Vulnerability
Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.
CVE-2026-44815Critical· 9.8DHCP Client Service Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows DHCP Client allows an unauthorized attacker to execute code over a network.
CVE-2026-44807High· 7.8Windows DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-44799High· 7.5Remote Desktop Client Remote Code Execution Vulnerability
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-44802High· 7.8Windows DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-42983High· 7.8Windows DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-44801High· 7.5Remote Desktop Client Remote Code Execution Vulnerability
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-42985High· 8.8Remote Desktop Client Remote Code Execution Vulnerability
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-44812High· 7.8Windows Graphics Component Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
CVE-2026-44803High· 7.8Windows Graphics Component Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
CVE-2026-42987High· 8.1Windows Deployment Services (WDS) Remote Code Execution
Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.
CVE-2026-44813High· 7.8Windows DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-44804High· 7.8Windows DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-45639High· 7.5Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-42993High· 7.5Remote Desktop Client Remote Code Execution Vulnerability
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-44814Medium· 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-2026-42914Medium· 5.3Windows Kerberos Denial of Service Vulnerability
Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.
CVE-2026-47292High· 7.8Visual Studio Code MSSQL Extension Remote Code Execution Vulnerability
Inclusion of functionality from untrusted control sphere in Visual Studio Code allows an unauthorized attacker to elevate privileges locally.
CVE-2026-48566Medium· 5.5Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.