{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-12289/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-16T16:08:23.846Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-12289","@id":"https://www.cve.org/CVERecord?id=CVE-2026-12289","description":"Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12."},"products":[{"@id":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 115.37, 140.12, 152.","timestamp":"2026-06-16T16:08:23.846Z"}]}