Security Alert (A26-05-18): Multiple Vulnerabilities in Firefox

Description:

Mozilla has published the advisory (MFSA2026-45) to address multiple vulnerabilities in Firefox. A remote attacker could entice a user to open a web page with specially crafted content on a vulnerable browser to exploit the vulnerabilities.

Affected Systems:

• Firefox Windows versions prior to version 150.0.3

Impact:

Successful exploitation of the vulnerabilities could lead to remote code execution on an affected system.

Recommendation:

Mozilla has released new versions of the product to address the issues and they can be downloaded at the following URLs:
Firefox 150.0.3 (Windows)
https://www.mozilla.org/en-US/firefox/all/#product-desktop-release

Users of affected systems should follow the recommendations provided by the vendor and take immediate actions to mitigate the risk.

More Information:

• https://www.mozilla.org/en-US/security/advisories/mfsa2026-45/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-8388 (to CVE-2026-8391)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-8401