Is there a public exploit for CVE-2026-118007?

No public exploit for CVE-2026-118007 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.

— Unscored

Use-after-free in the JavaScript: GC component.

CVE-2026-118007

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.

Assessment

CVSS: Not yet scored
Severity: Unscored
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: 27 October 2026
Assigner: security@mozilla.org

At the source

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