# CVE-2026-66140

## Summary

- **CVE ID:** CVE-2026-66140
- **Severity:** HIGH
- **CVSS Score:** 8.4 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-24
- **Published:** Jul 24, 2026
- **Last Modified:** Jul 24, 2026

## Description

Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privileges, because arguments related to queue-name are mishandled.

## Affected Products

- Exim — Exim (4.88)

## References

- [CNA](https://openwall.com/lists/oss-security/2026/07/22/9)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 17.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._