CVE-2026-118019

HIGH 8.8CVE-2026-118019 · Published 27/10/2026 · updated 05/11/2026

In short

CVE-2026-118019 is a HIGH (CVSS 8.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.19%, higher than 8.8% 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.

Race condition, use-after-free in the DOM: File component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.

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