Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-16358

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 12.1%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-16358


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