Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 21 Aug 2026 00:15:00 +0000


Thu, 20 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-359
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 18 Aug 2026 22:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Tue, 18 Aug 2026 19:00:00 +0000

Type Values Removed Values Added
Description Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1. Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
References

Tue, 18 Aug 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox

Tue, 18 Aug 2026 14:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Tue, 18 Aug 2026 12:45:00 +0000

Type Values Removed Values Added
Description Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 154 and Firefox ESR 153.1.
Title Information disclosure in the Form Autofill component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-08-20T17:22:09.894Z

Reserved: 2026-08-17T11:58:35.525Z

Link: CVE-2026-74966

cve-icon Vulnrichment

Updated: 2026-08-20T15:30:39.026Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-18T13:17:33.943

Modified: 2026-08-20T18:16:49.403

Link: CVE-2026-74966

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-08-18T12:23:38Z

Links: CVE-2026-74966 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T18:45:04Z

Weaknesses