How severe is CVE-2018-4990?

CVE-2018-4990 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 36.2% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2018-4990: Adobe Acrobat and Reader Double Free Vulnerability

CISA Known Exploited Vulnerabilities

Adobe Acrobat and Reader Double Free Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-06-08

Remediation due

2022-06-22

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2018-4990

Description

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.

Severity

CVSS 3.1 · CISA8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 14, 2026

All KEV statistics→

CISA added CVE-2018-4990 to the KEV catalog 1,430 days after its CVE record was published.
It is one of 82 Adobe entries in the CISA KEV catalog, and one of 54 added in 2022.
Its current EPSS score (36.2%) is higher than that of 44% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
-	Adobe Acrobat and Reader 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier versions	Adobe Acrobat and Reader 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier versions

References

3 Links

Vulnerability databases

Other references

https://helpx.adobe.com/security/products/acrobat/apsb18-09.html

Record Details

Published

2018-07-09

Last updated

2025-10-21

Assigner (CNA)

adobe

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.