Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable use after free vulnerability in Acrobat/Reader rendering engine. Successful exploitation could lead to arbitrary code execution.
Conclusion & alert: CVE-2017-11231 is rated High Risk (70.6/100): CVSS High severity, with high exploitation likelihood (EPSS 7.57%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.63% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 4.94% | 7.57% | +2.63% |
| 2 | 2026-04-14 | 5.04% | 4.94% | -0.10% |
| 3 | 2025-03-30 | — | 5.04% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adobe | acrobat | >= 11.0.0, <= 11.0.20 | cpe:2.3:a:adobe:acrobat:*:*:*:*:*:*:*:* |
| adobe | acrobat | >= 17.011.00000, <= 17.011.30066 | cpe:2.3:a:adobe:acrobat:*:*:*:*:*:*:*:* |
| adobe | acrobat_dc | >= 15.006.30060, <= 15.006.30306 | cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:* |
| adobe | acrobat_dc | >= 15.008.20082, <= 17.009.20058 | cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* |
| adobe | acrobat_reader | >= 17.011.00000, <= 17.011.30066 | cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:* |
| adobe | acrobat_reader_dc | >= 15.006.30060, <= 15.006.30306 | cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:* |
| adobe | acrobat_reader_dc | >= 15.008.20082, <= 17.009.20058 | cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* |
| adobe | reader | >= 11.0.0, <= 11.0.20 | cpe:2.3:a:adobe:reader:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/100182 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1039098 | Third Party Advisory VDB Entry |
| https://helpx.adobe.com/security/products/acrobat/apsb17-24.html | Patch Vendor Advisory |