PT-2026-64234 · Exim · Exim

CVE-2026-66140

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Published

2026-07-22

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Updated

2026-08-25

CVSS v3.1

8.4

High

VectorAV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.99.5
Description Improper handling of arguments related to the queue-name allows directory traversal, enabling access to files outside of the spool area and subsequent privilege escalation.
Recommendations Update to version 4.99.5 or later.

Fix

LPE

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Weakness Enumeration

Related Identifiers

CVE-2026-66140
USN-8590-1

Affected Products

Exim