Is there a public exploit for CVE-2026-118008?

No public exploit for CVE-2026-118008 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-118008?

CVE-2026-118008 scores CVSS 8.8 (v3.1), rated high.

8.8 High

Privilege escalation in the DOM: Navigation component.

CVE-2026-118008

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.

Assessment

CVSS: 8.8 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 27 October 2026
Last updated: 28 October 2026
Weakness: CWE-269
Assigner: security@mozilla.org

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

At the source

References

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