Mozilla Product Security Update Advisory (CVE-2026-8401)

Security updates have been released to address vulnerabilities in Mozilla products. the target is Firefox versions 150.0.3 and earlier.

CVE-2026-8401 is a sandbox escape vulnerability (a vulnerability that allows an attacker to leave an isolated execution environment) in the profile backup component of Firefox.
a patch for this vulnerability was made available in the latest update.

Firefox users should update to version 150.0.3.
they should follow the instructions on the reference site to apply the latest version of the Vulnerability Patch.