CVE-2026-4712

HIGH EPSS 30.4%
Published Mar 24, 20263mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Mar 24, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

Information disclosure in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
30.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 2

VendorProductVersionRange
mozillafirefox* <140.9.0
mozillafirefox* <149.0

References 5

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=2017666
    Permissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-20/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-22/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-23/
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-24/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.