CVE-2026-66141: High severity Exim Exim vulnerability

Published Jul 24, 2026
·
Updated

Exim before 4.99.5 allows .forward privilege escalation because forcecommand for a pipe transport is mishandled.

Affected Software

1 affected component
Exim Exim<4.99.5

Event History

Jul 24, 2026
CVE Published
via MITRE·04:37 AM
Data Sourced
via MITRE·04:37 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-66141?

The severity of CVE-2026-66141 is high, with a CVSS score of 7.4.

2

How do I fix CVE-2026-66141?

To fix CVE-2026-66141, update Exim to version 4.99.5 or later.

3

What kind of vulnerability is CVE-2026-66141?

CVE-2026-66141 is a privilege escalation vulnerability in Exim.

4

What software is affected by CVE-2026-66141?

CVE-2026-66141 affects Exim versions prior to 4.99.5.

5

What is the impact of CVE-2026-66141?

The impact of CVE-2026-66141 includes unauthorized access and potential escalation of privileges through mishandling of force_command for a pipe transport.

Company

Resources

Contact

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