Privilege Escalation in Firefox by Mozilla
CVE-2026-100824

Currently unrated

Key Information:

Vendor

Mozilla

Status
Vendor
CVE Published:
29 September 2026

What is CVE-2026-100824?

A privilege escalation vulnerability exists in the Places component of Firefox, enabling attackers to gain higher-level access than intended. This flaw has been addressed in specific updates of Firefox ESR and the latest versions of Firefox. It is critical for users to update their browsers to ensure their systems are secure against potential exploitation from this vulnerability.

Affected Version(s)

Firefox 153.4

Firefox 157

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mozilla
.