{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-10-27T04:44:29.557","vulnerabilities":[{"cve":{"id":"CVE-2026-109778","sourceIdentifier":"security@mozilla.org","published":"2026-10-13T13:17:28.713","lastModified":"2026-10-14T04:18:17.137","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5."}],"affected":[{"source":"security@mozilla.org","affectedData":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"153.5","lessThanOrEqual":"153.*","versionType":"rpm","status":"unaffected"},{"version":"158","lessThanOrEqual":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"153.5","lessThanOrEqual":"153.*","versionType":"rpm","status":"unaffected"},{"version":"158","lessThanOrEqual":"*","versionType":"rpm","status":"unaffected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-13T00:00:00+00:00","id":"CVE-2026-109778","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-269"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2070547","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-106/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-108/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-109/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-110/","source":"security@mozilla.org"}]}}]}