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 (638), Windows 10 Version 1607 (487), 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: 2137 prev 419

Weakness classes

Products

windows_10_1607 638
Windows 10 Version 1607 487
Microsoft 365 Apps for Enterprise 209
windows_10 122
365_apps 115
windows_10_1809 105

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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

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

Use after free in Microsoft COM for Windows allows an authorized attacker to elevate privileges locally.

Integer overflow or wraparound in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

Storing passwords in a recoverable format in Windows DHCP Server allows an authorized attacker to disclose information over a network.

Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges over a network.

Out-of-bounds read in Windows USB Driver allows an authorized attacker to elevate privileges locally.

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

Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

Double free in Remote Desktop Gateway Service allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an unauthorized attacker to execute code over a network.

Stack-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

Improper link resolution before file access ('link following') in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.

Use of uninitialized resource in Windows GDI+ allows an authorized attacker to disclose information locally.

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

Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to disclose information locally.

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.

Heap-based buffer overflow in Windows DCOM Server allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows CD-ROM Driver allows an authorized attacker to elevate privileges locally.

Improper access control in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

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

Use after free in Windows Push Notifications 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.

Stack-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally.

Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized attacker to execute code over a network.

Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.

Use after free in Windows Win32K allows an authorized attacker to elevate privileges over a network.

Improper access control in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attacker to elevate privileges over a network.

Heap-based buffer overflow in Microsoft Standard XPS allows an authorized attacker to elevate privileges over a network.

Heap-based buffer overflow in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.