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Vulnerability record · CVE-2018-6703 · published 11 December 2018

CVE-2018-6703: Mcafee agent use after free vulnerability

MMcafee · Agent

Use After Free in Remote logging (which is disabled by default) in McAfee McAfee Agent (MA) 5.x prior to 5.6.0 allows remote unauthenticated attackers to cause a Denial of Service and potentially a remote code execution via a specially crafted HTTP header sent to the logging service.

9.8 CVSS 3.1 Critical EPSS 3.2% · top 12.2% CWE-416 · Use after free
9.8CVSS 3.1 base score, v2 7.5
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Use After Free in Remote logging (which is disabled by default) in McAfee McAfee Agent (MA) 5.x prior to 5.6.0 allows remote unauthenticated attackers to cause a Denial of Service and potentially a remote code execution via a specially crafted HTTP header sent to the logging service.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kc.mcafee.com/corporate/index?page=content&id=SB10258
https://kc.mcafee.com/corporate/index?page=content&id=SB10258

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-6703), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.