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

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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

Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Integer overflow or wraparound in SQL Server allows an unauthorized attacker to execute code over a network.

Use after free in SQL Server allows an authorized attacker to elevate privileges locally.

Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.

Weak authentication in SQL Server allows an authorized attacker to elevate privileges over a network.

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

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.

Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

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

Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network.

Heap-based buffer overflow in Windows Services for NFS ONCRPC XDR Driver allows an authorized attacker to elevate privileges locally.

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

Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.

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

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

Improper resolution of path equivalence in Windows URL Moniker allows an unauthorized attacker to bypass a security feature over a network.

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

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

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

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

Missing authorization in Data Sharing Service Client allows an authorized attacker to elevate privileges locally.

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

Heap-based buffer overflow in Windows Management Services allows an authorized attacker to elevate privileges over a network.

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

Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.

Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.

Exposure of private personal information to an unauthorized actor in Windows Biometric Service allows an authorized attacker to disclose information locally.