{"cve_id":"CVE-2022-26486","published":"2022-12-22T20:15:22.797000+00:00","last_modified":"2026-08-19T15:29:21.807000+00:00","vuln_status":"Analyzed","description":"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.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","base_score":9.6,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"REQUIRED","scope":"CHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-416"],"in_kev":true,"kev_date_added":"2022-03-07","kev_ransomware":false,"epss_score":0.02362,"epss_percentile":0.83789,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":true,"grant_access":"PRIV","caps":["CODE_EXEC","PRIV_GAIN"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T10:16:54.123664+00:00","first_seen":"2022-12-22T20:15:22.797000+00:00","kev_first_seen":"2022-03-07T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["mozilla"],"products":["firefox","firefox_focus","firefox_mobile","thunderbird"],"affected":[{"vendor":"mozilla","product":"firefox","ranges":["< 91.6.1","< 97.0.2"]},{"vendor":"mozilla","product":"firefox_focus","ranges":["< 97.3.0"]},{"vendor":"mozilla","product":"firefox_mobile","ranges":["< 97.3.0"]},{"vendor":"mozilla","product":"thunderbird","ranges":["< 91.6.2"]}]}