CVE-2026-42914

CVE-2026-42914

Windows Kerberos Denial of Service Vulnerability

Vulnerability class: Buffer Overflow

CVSS v3 metric

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

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

secure@microsoft.com

Frequently asked questions

What is CVE-2026-42914?: CVE-2026-42914 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-06-09.
How severe is CVE-2026-42914?: Medium severity. CVSS v3 base score is 5.3 out of 10.