What is CVE-2026-96869?

CVE-2026-96869 is a medium-severity vulnerability, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-09-29.

How severe is CVE-2026-96869?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CVE-2026-96869

Information disclosure in the Networking component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.

Published 2026-09-29 · last modified 2026-09-29.

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

What is CVE-2026-96869?: CVE-2026-96869 is a medium-severity vulnerability, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-09-29.
How severe is CVE-2026-96869?: Medium severity. CVSS v3 base score is 4.3 out of 10.