What is CVE-2026-21229?

CVE-2026-21229 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Power BI Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-21229 cover?

CVE-2026-21229 covers the following CVE IDs: CVE-2026-21229. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-21229?

CVE-2026-21229 has a CVSS v3 base score of 8.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-21229?

CVE-2026-21229 affects 1 product, including: Power BI Report Server.

CVE-2026-21229HighCVSS 8.0

Power BI Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

February 10, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-21229 →

📋 Description

Improper input validation in Power BI allows an authorized attacker to execute code over a network.

🎯 Affected products1

Power BI Report Server

✅ Remediation

KBRelease Notes (Security Update) — fixed build 1.25.9508.3237

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21229
patchhttps://www.microsoft.com/en-us/download/details.aspx?id=105943
referencehttps://learn.microsoft.com/en-us/power-bi/report-server/changelog