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-2026-32160High· 7.8Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-32158High· 7.8Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-0390Medium· 6.7UEFI Secure Boot Security Feature Bypass Vulnerability
Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.
CVE-2026-32167Medium· 6.7SQL Server Elevation of Privilege Vulnerability
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges locally.
CVE-2026-32159High· 7.8Windows Push Notifications Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-32156High· 7.4Windows UPnP Device Host Remote Code Execution Vulnerability
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to execute code locally.
CVE-2026-32217Medium· 5.5Windows Kernel Information Disclosure Vulnerability
Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-32181Medium· 5.5Connected User Experiences and Telemetry Service Denial of Service Vulnerability
Improper privilege management in Microsoft Windows allows an authorized attacker to deny service locally.
CVE-2026-32178High· 7.5.NET Spoofing Vulnerability
Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-32165High· 7.8Windows User Interface Core Elevation of Privilege Vulnerability
Use after free in Windows User Interface Core allows an authorized attacker to elevate privileges locally.
CVE-2026-32195High· 7.0Windows Kernel Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-32184High· 7.8Microsoft High Performance Compute (HPC) Pack Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally.
CVE-2026-32168High· 7.8Azure Monitor Agent Elevation of Privilege Vulnerability
Improper input validation in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.
CVE-2026-32219High· 7.0Microsoft Brokering File System Elevation of Privilege Vulnerability
Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
CVE-2026-32189High· 7.8Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-32188High· 7.1Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-32216Medium· 5.5Windows Redirected Drive Buffering System Denial of Service Vulnerability
Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.
CVE-2026-32215Medium· 5.5Windows Kernel Information Disclosure Vulnerability
Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-32192High· 7.8Azure Monitor Agent Elevation of Privilege Vulnerability
Deserialization of untrusted data in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.
CVE-2026-33098High· 7.8Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-32218Medium· 5.5Windows Kernel Information Disclosure Vulnerability
Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-33120High· 8.8Microsoft SQL Server Remote Code Execution Vulnerability
Untrusted pointer dereference in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-33096High· 7.5HTTP.sys Denial of Service Vulnerability
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
CVE-2026-33826High· 8.0PoCWindows Active Directory Remote Code Execution Vulnerability
Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.
CVE-2026-33822Medium· 6.1Microsoft Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-33095High· 7.8Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-33825High· 7.8CISA KEVPoCMicrosoft Defender Elevation of Privilege Vulnerability
Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
CVE-2026-32212Medium· 5.5Universal Plug and Play (upnp.dll) Information Disclosure Vulnerability
Improper link resolution before file access ('link following') in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.
CVE-2026-20806Medium· 5.5Windows COM Server Information Disclosure Vulnerability
Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized attacker to disclose information locally.
CVE-2026-23657High· 7.8Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.