CVE-2026-74942
firefox: Privilege escalation in the Remote Settings Client component
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 18, 2026
Updated · September 9, 2026
Description
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Privilege escalation in the Remote Settings Client component
Statement
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-266 · Incorrect Privilege Assignment