{"id":"CVE-2018-4993","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-4993","generatedAt":"2026-10-29T03:02:24.823Z","title":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability.","description":"Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability. Successful exploitation could lead to information disclosure.","published":"2018-07-09T19:29:03.000Z","lastModified":"2026-06-17T01:59:25.000Z","status":"Modified","sourceIdentifier":"psirt@adobe.com","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-200"],"affected":["adobe/acrobat dc","adobe/acrobat reader dc"],"epss":{"score":0.8672,"percentile":0.9974,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.79268,"percentile":0.99593},{"date":"2026-09-22","score":0.8672,"percentile":0.99734}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 86.7%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.8672,"from":0.79268,"percentile":0.99734},"summary":"EPSS moved from 79.3% to 86.7% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/104177","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@adobe.com"},{"url":"http://www.securitytracker.com/id/1040920","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@adobe.com"},{"url":"https://helpx.adobe.com/security/products/acrobat/apsb18-09.html","tags":["Patch","Vendor Advisory"],"source":"psirt@adobe.com"},{"url":"http://www.securityfocus.com/bid/104177","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1040920","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://helpx.adobe.com/security/products/acrobat/apsb18-09.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-4993","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}