CVE-2018-4990VulnerabilityPublished 06/08/2022Updated 10/24/2026

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

Affects Adobe Acrobat and ReaderSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 06/08/2022
KEV deadline: 06/22/2022
EPSS: 36.2% chance of exploitation in 30 days – higher than 98% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2018-4990 (opens in a new tab)

Description

CVE-2018-4990 is a double free vulnerability in Adobe Acrobat and Reader that can lead to remote code execution. This vulnerability has been exploited in the wild, indicating active attacks leveraging this flaw. No specific affected versions or patch information is provided in the available data.

Summary

Adobe Acrobat and Reader contain a double free vulnerability (CWE-415) identified as CVE-2018-4990. This flaw can be exploited to achieve remote code execution on affected systems. The vulnerability has been observed in active exploitation campaigns, underscoring its severity. However, no explicit details about affected versions or available patches are included in the provided information.

Impact

Successful exploitation of this vulnerability allows attackers to execute arbitrary code remotely, potentially compromising affected systems. Given that exploitation in the wild has been confirmed, the threat poses a significant risk to users of vulnerable Adobe Acrobat and Reader versions.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should monitor Adobe's official security bulletins for updates and apply any available patches promptly once released.

Weaknesses

CWE-415Double Free (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 12:04:37 UTC

Weaknesses

References

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