Use-After-Free Vulnerability in Firefox by Mozilla
CVE-2026-92046

Currently unrated

Key Information:

Vendor

Mozilla

Status
Vendor
CVE Published:
15 September 2026

What is CVE-2026-92046?

A use-after-free vulnerability has been identified in the graphics component of Mozilla’s Firefox browser. This flaw allows an attacker to potentially execute arbitrary code and cause application crashes. Mozilla has provided an update addressing this issue in Firefox 156 and Firefox ESR 153.3, enhancing the overall security and stability of the browser. Users are encouraged to update to the latest version to mitigate risks associated with this vulnerability.

Affected Version(s)

Firefox 153.3

Firefox 156

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mozilla
.