CVE-2026-100766

MediumCVSS 4.3/10Last modified Oct 13, 2026

Description

Information disclosure in the Networking: JAR component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published
Sep 29, 2026
Last modified
Oct 13, 2026
NVD status
Analyzed

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CVE-2026-100766: Medium severity, CVSS 4.3 | Vulnix