VULNERABILITY INTELLIGENCE

CVE-2026-34391

CVSS score7.5 HIGH

EPSS probability0.17%

CISA KEVNot currently listed

Published2026-03-27

Last modified2026-10-26

Description

Fleet is open source device management software. Prior to 4.81.1, a vulnerability in Fleet's Windows MDM command processing allows a malicious enrolled device to access MDM commands intended for other devices, potentially exposing sensitive configuration data such as WiFi credentials, VPN secrets, and certificate payloads across the entire Windows fleet. Version 4.81.1 patches the issue.