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 (635), Windows 10 Version 1607 (490), 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 635
Windows 10 Version 1607 490
Microsoft 365 Apps for Enterprise 209
windows_10 122
365_apps 115
windows_10_1809 103

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

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Out-of-bounds read in Windows Direct Show allows an unauthorized attacker to execute code over a network.

Stack-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges over a network.

Dependency on vulnerable third-party component in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

Use after free in Windows Key Distribution Center allows an authorized attacker to execute code over a network.

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

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

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

Use after free in Windows Web Platform Storage allows an authorized attacker to elevate privileges locally.

Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.

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

Deserialization of untrusted data in Windows IP Address Management (IPAM) Service allows an authorized attacker to elevate privileges locally.

Use after free in Windows Device Association Broker service allows an authorized attacker to elevate privileges locally.

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

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

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.

Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges over a network.

Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.

Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.

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

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

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

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

Use after free in Windows Host Guardian Service allows an authorized attacker to elevate privileges locally.

Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges over a network.

Origin validation error in Windows DNS allows an unauthorized attacker to perform spoofing over a network.

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

Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.

Authentication bypass by capture-replay in Windows Kerberos allows an authorized attacker to execute code over a network.

Missing authentication for critical function in Windows Modern Device Management (MDM) allows an authorized attacker to bypass a security feature locally.