{"id":"CVE-2023-21608","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-21608","generatedAt":"2026-10-31T11:46:11.719Z","title":"Adobe Acrobat and Reader Use-After-Free Vulnerability","description":"Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","published":"2023-01-18T19:15:12.000Z","lastModified":"2026-06-17T05:33:17.000Z","status":"Analyzed","sourceIdentifier":"psirt@adobe.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["adobe/acrobat dc","adobe/acrobat reader dc","adobe/acrobat","adobe/acrobat reader"],"epss":{"score":0.59427,"percentile":0.9912,"date":"2026-10-30","history":[{"date":"2026-10-13","score":0.59204,"percentile":0.99101}]},"kev":{"listed":true,"dateAdded":"2023-10-10","dueDate":"2023-10-31","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.\nhttps://helpx.adobe.com/security/products/acrobat/apsb23-01.html;  https://nvd.nist.gov/vuln/detail/CVE-2023-21608"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 31 October 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://helpx.adobe.com/security/products/acrobat/apsb23-01.html","tags":["Vendor Advisory"],"source":"psirt@adobe.com"},{"url":"https://helpx.adobe.com/security/products/acrobat/apsb23-01.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21608","tags":["Third Party Advisory","US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-21608","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."}