Microsoft Security Response Center guidance
Release Notes
Vendor-listed releases
- 1.25.9508.3237
Vulnerability intelligence
CVE-2026-21229 and is rated High severity with a CVSS score of 8.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Release Notes
Improper input validation in Power BI allows an authorized attacker to execute code over a network.