CVE-2026-16374

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

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

Vulnerability Description

Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

Vulnerability Details

Published Date

July 21, 2026

Last Modified

July 22, 2026

CWE ID

CWE-200

Source

NVD

Vendor

Mozilla

Product

Firefox

External References

https://bugzilla.mozilla.org/show_bug.cgi?id=2027519
https://www.mozilla.org/security/advisories/mfsa2026-68/
https://www.mozilla.org/security/advisories/mfsa2026-70/

CVE-2026-16374

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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