CVE-2018-4990
KEVAdobe Acrobat and Reader Double Free Vulnerability
Description
Adobe Acrobat and Reader have a double free vulnerability that could lead to remote code execution.
Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have a Double Free vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedJul 9, 2018
Last modifiedJun 17, 2026
Added to KEVJun 8, 2022
Remediation dueJun 22, 2022
References
- securityfocus.com/bid/104167Broken LinkThird Party Advisory
- securitytracker.com/id/1040920Broken LinkThird Party Advisory
- helpx.adobe.com/security/products/acrobat/apsb18-09.htmlVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4990Third Party AdvisoryUS Government Resource
0 recent articles mention this CVE
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Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1588 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 35.9% · top 2% of all CVEs
- Weakness
- CWE-415
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.