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

Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.

Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an authorized attacker to elevate privileges locally.

Exposure of sensitive system information to an unauthorized control sphere in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to disclose information over a network.

Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code with a physical attack.

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

Improper null termination in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.

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

Use after free in Windows Services for NFS ONCRPC XDR Driver allows an authorized attacker to execute code locally.

Access of resource using incompatible type ('type confusion') in Windows Core Messaging allows an authorized attacker to elevate privileges locally.

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

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

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

Out-of-bounds read in Windows Mobile Broadband allows an unauthorized attacker to disclose information over a network.

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

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

Null pointer dereference in Windows Schannel allows an authorized attacker to deny service over a network.

Out-of-bounds read in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

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

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

Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine

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

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

Double free in Windows Display Enhancement Service allows an authorized attacker to elevate privileges locally.

Use after free in Windows AF_UNIX Socket Provider allows an authorized attacker to elevate privileges locally.

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

Improper link resolution before file access ('link following') in Windows Shell allows an unauthorized attacker to perform spoofing over a network.

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

Integer overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network.

Use after free in Windows Ancillary Function Driver for WinSock allows an unauthorized attacker to elevate privileges over a network.

Incomplete list of disallowed inputs in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.