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CVE-2026-24899

Fleet - Windows MDM Enrollment

Fleetdm CVSS 7.5 Updated May 29, 2026

Executive Risk Summary

"A vulnerability in Fleet's Windows MDM enrollment flow allows authentication tokens from any Azure AD tenant to be accepted, enabling unauthorized device enrollment and interaction with Fleet's MDM management APIs. This vulnerability can expose sensitive enrollment secrets embedded in MDM command payloads, leading to further unauthorized access."

Anticipated Attack Path

  1. 1. Obtain a valid Microsoft-signed Azure AD access token
  2. 2. Use the token to enroll unauthorized devices in Fleet's MDM
  3. 3. Interact with Fleet's MDM management APIs to access sensitive data

Am I Vulnerable?

  • Verify if Windows MDM is enabled in Fleet
  • Check for any suspicious device enrollments
  • Monitor MDM command payloads for sensitive enrollment secrets

Operational Audit Arsenal

Target Type Service
Target Asset fleet
Standard Path /usr/local/bin/fleet

Manual Verification Required

This is a non-Windows asset (Fleetdm). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Unlikely

Minimal, but may require temporary disablement of Windows MDM

Internal Work Notes

CVE-2026-24899: Fleet Windows MDM Enrollment Vulnerability - Upgrade to version 4.82.0 or temporarily disable Windows MDM to mitigate

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Related Fleetdm Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.