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-2026-47305High· 7.8Visual Studio Remote Code Execution Vulnerability
Protection mechanism failure in Visual Studio allows an unauthorized attacker to execute code locally.
CVE-2026-58634High· 7.8Desktop Window Manager Elevation of Privilege Vulnerability
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-58633High· 7.8Desktop Window Manager Elevation of Privilege Vulnerability
Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-58627High· 7.5Windows DHCP Server Denial of Service Vulnerability
Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-58626High· 8.8Windows Remote Desktop Services Remote Code Execution Vulnerability
Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.
CVE-2026-58619High· 7.0Windows Sensor Data Service Elevation of Privilege Vulnerability
Use after free in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.
CVE-2026-58613High· 7.8Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-58541High· 7.8Microsoft DWM Core Library Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized attacker to elevate privileges locally.
CVE-2026-55121Medium· 5.5Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-58638Medium· 6.0Windows Boot Loader Security Feature Bypass Vulnerability
Missing cryptographic step in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.
CVE-2026-58637High· 7.0Windows Client-Side Caching Elevation of Privilege Vulnerability
Use after free in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.
CVE-2026-58632High· 7.8Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-58629High· 7.0DirectX Graphics Kernel Elevation of Privilege Vulnerability
Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.
CVE-2026-58628High· 7.8Windows Wireless Network Manager Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Wireless Networking allows an authorized attacker to elevate privileges locally.
CVE-2026-56181High· 8.3Windows Network Address Translation (NAT) Spoofing Vulnerability
Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.
CVE-2026-58529High· 7.1Windows Active Directory Federation Services (ADFS) Information Disclosure Vulnerability
Out-of-bounds read in Active Directory Federation Services (AD FS) allows an authorized attacker to disclose information over a network.
CVE-2026-50376Medium· 6.5Windows Remote Desktop Client Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-50696High· 7.5Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.
Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.
CVE-2026-50650High· 7.8.NET Framework Elevation of Privilege Vulnerability
Improper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to elevate privileges locally.
CVE-2026-50527High· 7.5.NET Framework Denial of Service Vulnerability
Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service over a network.
CVE-2026-47303High· 8.8ASP.NET Core Elevation of Privilege Vulnerability
Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
CVE-2026-47300High· 8.8ASP.NET Core Elevation of Privilege Vulnerability
Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
CVE-2026-50526High· 7.0.NET Tampering Vulnerability
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to perform tampering locally.
CVE-2026-56170High· 7.5ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2026-47304High· 8.1.NET Security Feature Bypass Vulnerability
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-50524High· 7.5.NET Framework Denial of Service Vulnerability
Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to deny service over a network.
CVE-2026-50648High· 7.5.NET Framework Denial of Service Vulnerability
Allocation of resources without limits or throttling in .NET Framework allows an unauthorized attacker to deny service over a network.
CVE-2026-50528High· 8.2.NET Security Feature Bypass Vulnerability
Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-50525High· 7.5.NET Denial of Service Vulnerability
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-50659Medium· 6.5.NET Spoofing Vulnerability
Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.