Detections
Analytics

CVE-2026-92042

high

Description

Race condition in the DOM: Content Processes component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.

References

https://www.mozilla.org/security/advisories/mfsa2026-96/

https://www.mozilla.org/security/advisories/mfsa2026-94/

https://www.mozilla.org/security/advisories/mfsa2026-93/

https://www.mozilla.org/security/advisories/mfsa2026-90/

https://bugzilla.mozilla.org/show_bug.cgi?id=2049342

Details

Source: Mitre, NVD

Published: 2026-09-15

Updated: 2026-09-16

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.1

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

Severity: High

EPSS

EPSS: 0.00152