{"id":"CVE-2026-96542","state":"PUBLISHED","title":"EA Javelin Anticheat Installer Local Privilege Escalation","description":"Incorrect permission assignment (CWE-732) in the standalone installer for EA Javelin Anticheat (versions 1.0.14329371, 1.0.14547437, 1.0.14789537, and 1.0.14940698) on Windows allows a local non-administrative user to elevate privileges to NT AUTHORITY\\SYSTEM by modifying the EAAntiCheatService service configuration and executable path. This vulnerability requires non-standard manual execution of the standalone installer and does not affect standard game installations via the EA App and Steam. This issue is corrected in version 1.0.14940699 and later; service permissions automatically self-heal upon launching an integrated EA game title.","publishedAt":"2026-10-16T21:00:54.224Z","updatedAt":"2026-10-19T14:31:10.432Z","severity":{"score":5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N","source":"EA"},"assigner":"EA","products":["Electronic Arts EA Javelin Anticheat (EA Javelin Anticheat Installer)"],"affected":[{"vendor":"Electronic Arts","product":"EA Javelin Anticheat (EA Javelin Anticheat Installer)","defaultStatus":"unaffected","versions":[{"version":"1.0.14329371 (Specific affected standalone versions: 1.0.14329371, 1.0.14547437, 1.0.14789537, 1.0.14940698)","status":"affected","versionType":"custom"}],"platforms":["Windows"],"modules":["Standalone Installer / EAAntiCheatService configuration"]}],"references":["https://catsandmalware.com/blog/eight-bytes-to-system/"],"weaknesses":["CWE-732"],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/96xxx/CVE-2026-96542.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-96542","state":"PUBLISHED","datePublished":"2026-10-16T21:00:54.224Z","dateUpdated":"2026-10-19T14:31:10.432Z","assignerShortName":"EA","assignerOrgId":"442d7a9f-d735-4edc-91a9-bdd618cbff51","dateReserved":"2026-09-23T12:30:02.712Z"},"containers":{"cna":{"title":"EA Javelin Anticheat Installer Local Privilege Escalation","descriptions":[{"lang":"en","value":"Incorrect permission assignment (CWE-732) in the standalone installer for EA Javelin Anticheat (versions 1.0.14329371, 1.0.14547437, 1.0.14789537, and 1.0.14940698) on Windows allows a local non-administrative user to elevate privileges to NT AUTHORITY\\SYSTEM by modifying the EAAntiCheatService service configuration and executable path. This vulnerability requires non-standard manual execution of the standalone installer and does not affect standard game installations via the EA App and Steam. This issue is corrected in version 1.0.14940699 and later; service permissions automatically self-heal upon launching an integrated EA game title."}],"affected":[{"vendor":"Electronic Arts","product":"EA Javelin Anticheat (EA Javelin Anticheat Installer)","defaultStatus":"unaffected","versions":[{"version":"1.0.14329371 (Specific affected standalone versions: 1.0.14329371, 1.0.14547437, 1.0.14789537, 1.0.14940698)","status":"affected","versionType":"custom"}],"platforms":["Windows"],"modules":["Standalone Installer / EAAntiCheatService configuration"]}],"references":[{"url":"https://catsandmalware.com/blog/eight-bytes-to-system/","tags":["technical-description","third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":5,"vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-732","lang":"en","description":"CWE-732 Incorrect Permission Assignment for Critical Resource","type":"CWE"}]}],"providerMetadata":{"shortName":"EA","orgId":"442d7a9f-d735-4edc-91a9-bdd618cbff51","dateUpdated":"2026-10-16T21:00:54.224Z"},"datePublic":"2026-10-16T21:00:00.000Z","impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"credits":[{"lang":"en","value":"Miles Norris (mn@catsandmalware.com)","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T14:30:41.346248Z","id":"CVE-2026-96542","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-19T14:31:10.432Z"}}]}}}