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-2026-50400High· 7.8Windows App Package Installer Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows App Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-50393High· 7.0Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
CVE-2026-50386High· 7.8Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-50380Critical· 9.6Windows GDI+ Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
CVE-2026-50370High· 8.8DHCP Server Service Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-50363High· 7.8Windows Push Notifications Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-50360High· 8.8Windows SMB Server Elevation of Privilege Vulnerability
Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-50343High· 7.8PoCMicrosoft Install Service Elevation of Privilege Vulnerability
Improper privilege management in Microsoft Install Service allows an authorized attacker to elevate privileges locally.
CVE-2026-50341Medium· 5.5Windows NTFS Information Disclosure Vulnerability
Buffer over-read in Windows NTFS allows an authorized attacker to disclose information locally.
CVE-2026-50337High· 7.8Windows Notification Elevation of Privilege Vulnerability
Incorrect type conversion or cast in Windows Notification allows an authorized attacker to elevate privileges locally.
CVE-2026-50331High· 7.8Windows Application Model Core API Elevation of Privilege Vulnerability
Use after free in Windows Application Model allows an authorized attacker to elevate privileges locally.
CVE-2026-50329High· 7.8Microsoft DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50328High· 7.5Windows Server Update Service (WSUS) Tampering Vulnerability
Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.
CVE-2026-50327High· 7.8Windows Media Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
CVE-2026-50326High· 7.8Windows Unified Consent System Elevation of Privilege Vulnerability
Use after free in Windows Unified Consent System allows an authorized attacker to elevate privileges locally.
CVE-2026-50313High· 7.8Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-50309High· 7.8Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-50307High· 7.0Windows TCP/IP Elevation of Privilege Vulnerability
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-50306High· 7.8Windows TCP/IP Elevation of Privilege Vulnerability
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-50434Medium· 5.5Windows Push Notification Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
CVE-2026-50430Medium· 5.5Windows Push Notification Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
CVE-2026-50425High· 7.8Windows Internal System User Profile Elevation of Privilege Vulnerability
Use after free in Windows Internal System User Profile allows an authorized attacker to elevate privileges locally.
CVE-2026-50396High· 7.0Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
CVE-2026-50390High· 7.0Windows Kernel Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50377Medium· 5.5Windows Kernel Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-50357High· 7.8Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
CVE-2026-50348High· 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-2026-50347High· 7.8Windows Data.dll Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code locally.
CVE-2026-50345High· 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-2026-50339Medium· 5.5Windows Push Notification Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.