Resource exhaustion in Microsoft Windows

CVE-2026-22745

Spring MVC and WebFlux applications are vulnerable to Denial of Service attacks when resolving static resources. More precisely, an application can be vulnerable when all the following are true: * the application is using Spring MVC or Spring WebFlux * the application is serving static resources from the file system * the application is running on a Windows platform When all the conditions above are met, the attacker can send malicious requests that are slow to resolve and that can keep HTTP connections in use. This can cause a Denial of Service on the application.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.003 (26.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-22745?
CVE-2026-22745 is a medium-severity vulnerability in Microsoft Windows, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-04-29.
How severe is CVE-2026-22745?
Medium severity. CVSS v3 base score is 5.3 out of 10.