CVE-2017-11231

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.

Published: 2017-08-11 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2017-11231

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-11231

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 [email protected]
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2017-11231

Affected software / configurations for CVE-2017-11231

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:*:*:*:*:*:*:*:*

References for CVE-2017-11231

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
cvelogic Threat Intelligence