CVE-2026-66141
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th
Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.
| CWE | CWE-829 |
| Vendor | exim |
| Product | exim |
| Published | Jul 24, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Exim / Exim
4.82 < 4.99.5