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

Follow microsoft:RSS feed Save a search →Embed badge ↗

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

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

Heap-based buffer overflow in Windows URL Moniker allows an unauthorized attacker to execute code over a network.

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

Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privileges locally.

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

Use after free in Windows Embedded Mode Service allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows IKE Extension allows an authorized attacker to execute code over a network.

Out-of-bounds read in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.

Out-of-bounds read in Windows VOLSNAP.SYS allows an authorized attacker to elevate privileges over a network.

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

Improper link resolution before file access ('link following') in Windows NTFS allows an authorized attacker to perform tampering locally.

Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges over a network.

Use after free in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.

Integer underflow (wrap or wraparound) in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.

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

Heap-based buffer overflow in Volume Manager Driver allows an authorized attacker to elevate privileges over a network.

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Buffer over-read in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.

Missing authentication for critical function in Windows DHCP Server allows an authorized attacker to elevate privileges over a network.

Use after free in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.

Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network.

Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.

Execution with unnecessary privileges in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

Integer overflow or wraparound in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.

Integer overflow or wraparound in Volume Manager Driver allows an authorized attacker to elevate privileges locally.

Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.

Missing release of memory after effective lifetime in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.

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

Missing authorization in Windows SMB Server allows an authorized attacker to disclose information locally.