CVE-2026-118027

CRITICAL 9.1CVE-2026-118027 · Published 27/10/2026 · updated 04/11/2026

In short

CVE-2026-118027 is a CRITICAL (CVSS 9.1) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.26%, higher than 17.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Frame poisoning in the Layout component. This vulnerability was fixed in Firefox ESR 115.44.

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