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-2026-54108Medium· 6.5Microsoft SharePoint Server Spoofing Vulnerability
External control of file name or path in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
CVE-2026-50675High· 7.8Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-50520High· 8.4Visual Studio Code Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Visual Studio Code allows an unauthorized attacker to execute code locally.
CVE-2026-50338High· 8.2PoCAzure Spring Apps Elevation of Privilege Vulnerability
Improper authentication in Azure Spring Apps allows an authorized attacker to elevate privileges over a network.
CVE-2026-57979Medium· 6.5Windows 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-2026-57976Medium· 6.5Windows Active Directory Domain Services Denial of Service Vulnerability
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
CVE-2026-57969High· 8.8Azure CycleCloud Elevation of Privilege Vulnerability
Missing authentication for critical function in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
CVE-2026-57107High· 7.8Windows Admin Center Elevation of Privilege Vulnerability
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges locally.
CVE-2026-57097Medium· 6.4Microsoft XML Security Feature Bypass Vulnerability
Untrusted search path in Microsoft XML allows an unauthorized attacker to bypass a security feature with a physical attack.
CVE-2026-56193High· 7.1Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-56185Medium· 6.5Windows Admin Center Information Disclosure Vulnerability
Improper authentication in Windows Admin Center allows an authorized attacker to disclose information over a network.
CVE-2026-56169High· 8.1Windows Admin Center Elevation of Privilege Vulnerability
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
CVE-2026-56164Medium· 5.3CISA KEV0dayPoCMicrosoft SharePoint Server Elevation of Privilege Vulnerability
Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-56155High· 7.8CISA KEV0dayPoCActive Directory Federation Services Elevation of Privilege Vulnerability
Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows an authorized attacker to elevate privileges locally.
CVE-2026-55948High· 7.8Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55899High· 7.8Microsoft Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-54127High· 7.4Windows Hyper-V Elevation of Privilege Vulnerability
Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.
CVE-2026-50694High· 8.1Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.
CVE-2026-50678Medium· 6.6Microsoft Excel Information Disclosure Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-58618High· 7.8Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-58614Medium· 5.5Windows Kernel Security Feature Bypass Vulnerability
Out-of-bounds read in Windows Kernel allows an authorized attacker to bypass a security feature locally.
CVE-2026-58610High· 7.8Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
CVE-2026-58609High· 7.8Windows Graphics Component Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
CVE-2026-58608High· 8.8Windows Print Spooler Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to execute code over a network.
CVE-2026-58602High· 7.8Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
Use after free in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-58601High· 7.8Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege Vulernability
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-58595High· 8.1Microsoft Bing App for IOS Spoofing Vulnerability
Improper restriction of rendered ui layers or frames in Microsoft Bing App for IOS allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-58526High· 7.0Windows Storage Elevation of Privilege Vulnerability
Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.
CVE-2026-58279Medium· 6.5Azure CycleCloud Elevation of Privilege Vulnerability
Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
CVE-2026-55014High· 7.8Windows Remote Help Defense Elevation of Privilege Vulnerability
Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges locally.