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 Device Association Service allows an authorized attacker to elevate privileges locally.

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

Out-of-bounds read in Windows Wireless Wide Area Network Service allows an authorized attacker to disclose information locally.

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

Time-of-check time-of-use (toctou) race condition in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.

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

Improper authentication in Spring Cloud Azure allows an unauthorized attacker to elevate privileges over a network.

Use of uninitialized resource in Windows Win32K allows an authorized attacker to disclose information locally.

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

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

Integer overflow or wraparound in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

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

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

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

Uncaught exception in Windows iSCSI Target Service allows an authorized attacker to deny service over a network.

Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.

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

Exposure of sensitive system information to an unauthorized control sphere in Windows Win32K allows an authorized attacker to disclose information locally.

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

Concurrent execution using shared resource with improper synchronization ('race condition') in DNS Server 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 over a network.

Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an unauthorized attacker to execute code over a network.

Numeric truncation error in Windows Kerberos allows an authorized attacker to elevate privileges locally.

Improper encoding or escaping of output in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.

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

Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code over a network.

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

Use after free in Windows Bluetooth Port Driver allows an authorized attacker to elevate privileges locally.

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

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