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-2026-32201Medium· 6.5CISA KEV0dayPoCMicrosoft SharePoint Server Spoofing Vulnerability
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-33829Medium· 4.3PoCWindows Snipping Tool Spoofing Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-33104High· 7.0Win32k Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
CVE-2026-33100High· 7.0Windows 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-2026-33114High· 8.4Microsoft Word Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-33103Medium· 5.5Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability
Improper access control in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to disclose information locally.
CVE-2026-33101High· 7.8Windows Print Spooler Elevation of Privilege Vulnerability
Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
CVE-2026-33827High· 8.1PoCWindows TCP/IP Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
CVE-2026-33115High· 8.4Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-32214Medium· 5.5Universal Plug and Play (upnp.dll) Information Disclosure Vulnerability
Improper access control in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.
CVE-2026-32078High· 7.8Windows Projected File System Elevation of Privilege Vulnerability
Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally.
CVE-2026-32183High· 7.8Windows Snipping Tool Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Windows Snipping Tool allows an unauthorized attacker to execute code locally.
CVE-2026-26168High· 7.8Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-32157High· 8.8Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-26174High· 7.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
CVE-2026-33824Critical· 9.8CISA KEVPoCDouble free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
CVE-2026-32202Medium· 4.3CISA KEVPoCProtection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-32153High· 7.8Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
CVE-2026-32203High· 7.5.NET and Visual Studio Denial of Service Vulnerability
Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.
CVE-2026-33116High· 7.5Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.
Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.
CVE-2026-32226Medium· 5.9Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.
Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.
CVE-2026-32225High· 8.8Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-32224High· 7.0Use after free in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
Use after free in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
CVE-2026-32223Medium· 6.8PoCHeap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Heap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.
CVE-2026-32222High· 7.8Untrusted pointer dereference in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
Untrusted pointer dereference in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
CVE-2026-32221High· 8.4Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
CVE-2026-32220Medium· 4.4Improper access control in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
Improper access control in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
CVE-2026-33119Medium· 5.4Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-33118Medium· 4.3Microsoft Edge (Chromium-based) Spoofing Vulnerability
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-32186Critical· 10.0Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a network.
Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a network.