CVE-2026-61371

Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path on Unix, allowing truncation/overwrite of the symlink target. The destructive effect is performed at open-time via O_TRUNC, and can happen before full input validation completes (“truncation-before-validation”).

Score
CVSS 3.1 7.5 High
Status
Awaiting Analysis - cve@mitre.org
Published
2026-07-15
Last modified
2026-07-15
Weaknesses
CWE-59

References