SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2018-4990

Adobe Acrobat and Reader Double Free Vulnerability

KEVHIGH 8.8EPSS 36.6%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
36.61% probability · 98th percentile
CISA KEV
Listed 8 June 2022 · due 22 June 2022
Weakness
CWE-415
Affected
adobe/acrobat dc · adobe/acrobat reader dc
Source
psirt@adobe.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-4990

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.