Mozilla has reported a vulnerability in its Firefox web browser that could allow attackers to execute arbitrary code on affected systems. The flaw, identified as CVE‑2026‑14241, is present in all Firefox releases prior to version 152.0.4. According to the Mozilla security advisory (mfsa2026‑62) dated 30 June 2026, the issue could be exploited by an attacker to run malicious code. Users and organizations are urged to apply the vendor’s published patches immediately. The Advisory is listed on the National Cyber Security Agency’s alert service (CERT‑FR) and can be accessed through the Mozilla security advisories page. No additional information is available at this time.
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