
CVE-2026-8958 Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, … https://www.cve.org/CVERecord?id=CVE-2026-8958
Post summary
The CVE-2026-8958 is an information disclosure and sandbox escape vulnerability that has been patched in recent Firefox and Thunderbird releases; no exploitation or PoC is reported.
