CVE Catalog

CVE-2026-42915

MediumCVSS 5.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.38%

31th percentile - higher than 31% of all known CVEs

Summary

Incorrect buffer size calculation vulnerability in Windows VMSwitch. Allows an authorized attacker to cause a local denial of service.

Risk Assessment

Risk of local denial of service, potentially disrupting virtual switches and network operations.

Recommendation

Install the security update from Microsoft for Windows VMSwitch. Monitor and restrict local access.

Other vulnerabilities in Windows VMSwitch

Original NVD description (English source)

Incorrect calculation of buffer size in Windows VMSwitch allows an authorized attacker to deny service locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS