Is there a public exploit for CVE-2026-124907?

No public exploit for CVE-2026-124907 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

Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component.

CVE-2026-124907

Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.

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: 10 November 2026
Last updated: 10 November 2026
Assigner: mozilla

At the source

EUVD (ENISA)

References

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