Mozilla Firefox for iOS

2 known vulnerabilities in Mozilla Firefox for iOS, with patch priority, exploit likelihood and the news covering them.

Latest vulnerabilities

CVE-2026-86853 CVSS 4.3 medium A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could…
CVE-2026-81267 CVSS 5.4 medium A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin…