CVE-2026-61371

CVE-2026-61371CVE-2026-61371

Description

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”).

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Last modified2026-07-15
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.