CVE-2026-6763

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 21, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-6763: Medium severity, CVSS 6.5 | Vulnix