{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "97.0.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "91.6.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox for Android", "vendor": "Mozilla", "versions": [{"lessThan": "97.3.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "91.6.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Focus", "vendor": "Mozilla", "versions": [{"lessThan": "97.3.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "cisaActionDue": "2022-03-21", "cisaExploitAdd": "2022-03-07", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Mozilla Firefox Use-After-Free Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "matchCriteriaId": "43351EFE-E64C-4ACD-A779-CBADE52E35B3", "versionEndExcluding": "91.6.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "matchCriteriaId": "E34F39EA-3536-47AE-948A-A1BE4FEBAA52", "versionEndExcluding": "97.0.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:*:*:*", "matchCriteriaId": "3F1EC4DF-B869-4BEB-BB9D-C629F82A9941", "versionEndExcluding": "97.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*", "matchCriteriaId": "0BEF15CD-FD1F-464C-BDB7-72FAC9071DBC", "versionEndExcluding": "97.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA3A4431-52FE-4BEE-A847-B500211A79AD", "versionEndExcluding": "91.6.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0."}, {"lang": "es", "value": "Un mensaje inesperado en el framework IPC de WebGPU podr\u00eda provocar un escape de la sandbox explotable y de use-after-free. Hemos recibido informes de ataques en la naturaleza que abusan de esta falla. Esta vulnerabilidad afecta a Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox para Android < 97.3.0, Thunderbird < 91.6.2 y Focus < 97.3.0."}], "id": "CVE-2022-26486", "lastModified": "2026-08-19T15:29:21.807", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-26486", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-01-28T21:24:00.039216Z", "version": "2.0.3"}}]}, "published": "2022-12-22T20:15:22.797", "references": [{"source": "security@mozilla.org", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1758070"}, {"source": "security@mozilla.org", "tags": ["Exploit", "Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-09/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1758070"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-09/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}