CVE-2026-118006

Privilege escalation due to use-after-free in the WebRTC: Signaling component

State: Published
Severity: Not scored
Published: Oct 27, 2026
Updated: Oct 27, 2026
Reserved: Oct 27, 2026

Description

Privilege escalation due to use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
FirefoxMozilla	159 and laterNot affected
ThunderbirdMozilla	159 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2074202
https://www.mozilla.org/security/advisories/mfsa2026-118/
https://www.mozilla.org/security/advisories/mfsa2026-121/

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