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 (639), Windows 10 Version 1607 (486), 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 639
Windows 10 Version 1607 486
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

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

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

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

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

Improper link resolution before file access ('link following') in SQL Server allows an authorized attacker to elevate privileges over a network.

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

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

Improper privilege management in SQL Server allows an authorized attacker to elevate privileges over a network.

Insufficient logging in SQL Server allows an authorized attacker to bypass a security feature over a network.

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

Insertion of sensitive information into sent data in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.

Deserialization of untrusted data in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.

Improper neutralization of special elements in output used by a downstream component ('injection') in SQL Server allows an unauthorized attacker to elevate privileges over a network.

Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.

Permissive cross-domain policy with untrusted domains in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.

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

Improper limitation of a pathname to a restricted directory ('path traversal') in Windows PowerShell allows an unauthorized attacker to bypass a security feature over a network.

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

Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network.

Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.

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

Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to elevate privileges locally.

Use after free in Active Directory Domain Services allows an authorized attacker to execute code over a network.

Heap-based buffer overflow in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.

Improper authorization in XBox Gaming Services allows an authorized attacker to elevate privileges locally.

Out-of-bounds read in Microsoft Trace Data Helper allows an authorized attacker to elevate privileges locally.

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

Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.

Authentication bypass by spoofing in Windows Netlogon allows an unauthorized attacker to perform spoofing over an adjacent network.