Ghostwire

CVE-2026-66141: Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.

HIGH CVSS 0.0 EPSS 0.10%

Published: July 24, 2026 | Last Modified: July 24, 2026

Description

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

Ghostwire Analysis — What This Means Practically

Exploitation Probability (EPSS): Low — 0.10% (1th percentile)

Low exploitation probability based on current threat landscape data. Standard patching timeline is appropriate.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

Security Coverage (1 articles)

References