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-2025-62221High· 7.8CISA KEV0dayPoCUse after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2025-62223Medium· 4.3User interface (ui) misrepresentation of critical information in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.
User interface (ui) misrepresentation of critical information in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-30398High· 8.1Missing authorization in Nuance PowerScribe allows an unauthorized attacker to disclose information over a network.
Missing authorization in Nuance PowerScribe allows an unauthorized attacker to disclose information over a network.
CVE-2025-60711Medium· 6.3Protection mechanism failure in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Protection mechanism failure in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2025-59503Critical· 10.0Server-side request forgery (ssrf) in Azure Compute Gallery allows an unauthorized attacker to elevate privileges over a network.
Server-side request forgery (ssrf) in Azure Compute Gallery allows an unauthorized attacker to elevate privileges over a network.
CVE-2025-59500High· 7.7Improper access control in Azure Notification Service allows an authorized attacker to elevate privileges over a network.
Improper access control in Azure Notification Service allows an authorized attacker to elevate privileges over a network.
CVE-2025-59273High· 7.3Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.
Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.
CVE-2025-59494High· 7.8Improper access control in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.
Improper access control in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.
CVE-2025-59292High· 8.2External control of file name or path in Confidential Azure Container Instances allows an authorized attacker to elevate privileges locally.
External control of file name or path in Confidential Azure Container Instances allows an authorized attacker to elevate privileges locally.
CVE-2025-59291High· 8.2External control of file name or path in Confidential Azure Container Instances allows an authorized attacker to elevate privileges locally.
External control of file name or path in Confidential Azure Container Instances allows an authorized attacker to elevate privileges locally.
CVE-2025-59288Medium· 5.3Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.
Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.
CVE-2025-59285High· 7.0Deserialization of untrusted data in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.
Deserialization of untrusted data in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.
CVE-2025-59281High· 7.8Improper link resolution before file access ('link following') in XBox Gaming Services allows an authorized attacker to elevate privileges locally.
Improper link resolution before file access ('link following') in XBox Gaming Services allows an authorized attacker to elevate privileges locally.
CVE-2025-58724High· 7.8Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.
Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.
CVE-2025-47989High· 7.0Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.
Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.
CVE-2025-59497High· 7.0Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.
Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Linux allows an authorized attacker to deny service locally.
CVE-2025-59286Critical· 9.3Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.
CVE-2025-59272Critical· 9.3Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to perform information disclosure locally.
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to perform information disclosure locally.
CVE-2025-59252Critical· 9.3Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.
CVE-2025-59247High· 8.8Azure PlayFab Elevation of Privilege Vulnerability
Azure PlayFab Elevation of Privilege Vulnerability
CVE-2025-59246Critical· 9.8Azure Entra ID Elevation of Privilege Vulnerability
Azure Entra ID Elevation of Privilege Vulnerability
CVE-2025-59218Critical· 9.6Azure Entra ID Elevation of Privilege Vulnerability
Azure Entra ID Elevation of Privilege Vulnerability
CVE-2025-55321Critical· 9.3Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Azure Monitor allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-49692High· 7.8Improper access control in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.
Improper access control in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.
CVE-2025-55242Medium· 6.5Exposure of sensitive information to an unauthorized actor in Xbox allows an unauthorized attacker to disclose information over a network.
Exposure of sensitive information to an unauthorized actor in Xbox allows an unauthorized attacker to disclose information over a network.
CVE-2025-49707High· 7.9Azure Virtual Machines Spoofing Vulnerability
Improper access control in Azure Virtual Machines allows an authorized attacker to perform spoofing locally.
CVE-2025-53774Medium· 6.5Microsoft 365 Copilot BizChat Information Disclosure Vulnerability
Microsoft 365 Copilot BizChat Information Disclosure Vulnerability
CVE-2025-53770Critical· 9.8CISA KEV0dayPoCDeserialization 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…
Deserialization 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…
CVE-2025-47995Medium· 6.5Azure Machine Learning Elevation of Privilege Vulnerability
Weak authentication in Azure Machine Learning allows an authorized attacker to elevate privileges over a network.
CVE-2025-49706Medium· 6.5CISA KEVPoCImproper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.