Microsoft has 4,599 CVEs on record between 2012 and 2026. Disclosure cadence is accelerating: 2930 in the last 90 days against 932 in the 90 before. The busiest recent month was October 2026 with 1482. The median CVSS is 7.8 (high), with 273 rated critical. 2% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 112 days (95 cases). The dominant weakness classes are CWE-122 (931) and CWE-416 (851). Most affected products: windows_10_1607 (988), Windows 10 Version 1607 (877), 365_apps (267).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 2% vs 1% corpus
- Median CVSS
- 7.8
- Publish → KEV
- 112 d median(95)
- Last 90 days
- 2930 prev 932
Weakness classes
Products
- windows_10_1607 988
- Windows 10 Version 1607 877
- 365_apps 267
- Microsoft 365 Apps for Enterprise 232
- Windows 10 Version 1809 199
- windows_10_1809 174
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.
4599 CVEsRSS
CVE-2022-37959Medium· 6.5Network Device Enrollment Service (NDES) Security Feature Bypass Vulnerability
Network Device Enrollment Service (NDES) Security Feature Bypass Vulnerability
CVE-2022-34718Critical· 9.8PoCWindows TCP/IP Remote Code Execution Vulnerability
Windows TCP/IP Remote Code Execution Vulnerability
CVE-2022-37969High· 7.8CISA KEV0dayPoCWindows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2022-34717High· 8.8Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
CVE-2022-35768High· 7.8PoCWindows Kernel Elevation of Privilege Vulnerability
Windows Kernel Elevation of Privilege Vulnerability
CVE-2022-34707High· 7.8PoCWindows Kernel Elevation of Privilege Vulnerability
Windows Kernel Elevation of Privilege Vulnerability
CVE-2022-30164High· 7.8Kerberos AppContainer Security Feature Bypass Vulnerability
Kerberos AppContainer Security Feature Bypass Vulnerability
CVE-2022-29143High· 7.5Microsoft SQL Server Remote Code Execution Vulnerability
Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2022-29119High· 7.8HEVC Video Extensions Remote Code Execution Vulnerability
HEVC Video Extensions Remote Code Execution Vulnerability
CVE-2022-22018High· 7.8HEVC Video Extensions Remote Code Execution Vulnerability
HEVC Video Extensions Remote Code Execution Vulnerability
CVE-2022-30168High· 7.8Microsoft Photos App Remote Code Execution Vulnerability
Microsoft Photos App Remote Code Execution Vulnerability
CVE-2022-30190High· 7.8CISA KEV0dayPoCA remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word
A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the c…
CVE-2022-26931High· 7.5Windows Kerberos Elevation of Privilege Vulnerability
Windows Kerberos Elevation of Privilege Vulnerability
CVE-2022-26921High· 7.3Visual Studio Code Elevation of Privilege Vulnerability
Visual Studio Code Elevation of Privilege Vulnerability
CVE-2022-24545High· 8.1Windows Kerberos Remote Code Execution Vulnerability
Windows Kerberos Remote Code Execution Vulnerability
CVE-2022-24486High· 7.8Windows Kerberos Elevation of Privilege Vulnerability
Windows Kerberos Elevation of Privilege Vulnerability
CVE-2022-21991High· 8.1Visual Studio Code Remote Development Extension Remote Code Execution Vulnerability
Visual Studio Code Remote Development Extension Remote Code Execution Vulnerability
CVE-2022-21986High· 7.5.NET Denial of Service Vulnerability
.NET Denial of Service Vulnerability
CVE-2022-21882High· 7.0CISA KEV0dayPoCWin32k Elevation of Privilege Vulnerability
Win32k Elevation of Privilege Vulnerability
CVE-2021-43877High· 8.8ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
CVE-2021-43908Medium· 4.3PoCVisual Studio Code Spoofing Vulnerability
Visual Studio Code Spoofing Vulnerability
CVE-2021-43891High· 7.8PoCVisual Studio Code Remote Code Execution Vulnerability
Visual Studio Code Remote Code Execution Vulnerability
CVE-2021-43226High· 7.8CISA KEVPoCWindows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2021-43890High· 7.1CISA KEV0dayWe have investigated reports of a spoofing vulnerability in AppX installer that affects Microsoft Windows
We have investigated reports of a spoofing vulnerability in AppX installer that affects Microsoft Windows. Microsoft is aware of attacks that attempt to exploit this vulnerability by using specially crafted packages that include the malw…
CVE-2021-42322High· 7.8Visual Studio Code Elevation of Privilege Vulnerability
Visual Studio Code Elevation of Privilege Vulnerability
CVE-2021-42321High· 8.8CISA KEVPoCMicrosoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-42292High· 7.8CISA KEVPoCMicrosoft Excel Security Feature Bypass Vulnerability
Microsoft Excel Security Feature Bypass Vulnerability
CVE-2021-41379Medium· 5.5CISA KEV0dayWindows Installer Elevation of Privilege Vulnerability
Windows Installer Elevation of Privilege Vulnerability
CVE-2021-42287High· 7.5CISA KEVPoCActive Directory Domain Services Elevation of Privilege Vulnerability
Active Directory Domain Services Elevation of Privilege Vulnerability
CVE-2021-42278High· 7.5CISA KEVPoCActive Directory Domain Services Elevation of Privilege Vulnerability
Active Directory Domain Services Elevation of Privilege Vulnerability