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

1025/101125/111225/120126/010226/020326/030426/040526/050626/060726/070826/080926/09

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

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2953

Total CVEs

178

Critical

CISA KEV

Exploited

Worst active — by depth score

microsoft vulnerabilities

CVEs affecting microsoft, newest first. Open any entry for full detail, references, and exploit status.

2953 CVEsRSS

CVEs per month

Weakness classes

Products

Worst active — by depth score

microsoft vulnerabilities

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

Exposure of sensitive information to an unauthorized actor in Windows Management Services allows an authorized attacker to disclose information locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.

Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Improper input validation in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows WalletService allows an unauthorized attacker to elevate privileges locally.

Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.

Out-of-bounds read in Capability Access Management Service (camsvc) allows an unauthorized attacker to disclose information locally.

Reliance on untrusted inputs in a security decision in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to perform spoofing over a network.

Use after free in Windows Clipboard Server allows an unauthorized attacker to elevate privileges locally.

Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.

Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.

Generation of error message containing sensitive information in Windows Kernel allows an authorized attacker to disclose information locally.

Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.

Concurrent execution using shared resource with improper synchronization ('race condition') in Graphics Kernel allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Capability Access Management Service (camsvc) allows an authorized attacker to disclose information locally.

Absolute path traversal in Windows Shell allows an unauthorized attacker to perform spoofing with a physical attack.

Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.