CVE-2026-21229 Power BI Remote Code Execution Vulnerability
An authorized attacker can execute arbitrary code remotely on Power BI Report Server due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-21229?
CVE-2026-21229 is a high-severity code injection vulnerability in Microsoft Power BI Report Server, published on 10 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper input validation in Power BI allows an authorized attacker to execute code over a network.
Weakness: CWE-20
Which versions are affected by CVE-2026-21229?
It affects 1 product.
Products include Microsoft Power Bi Report Server.
How do I fix CVE-2026-21229?
No fix has been published for CVE-2026-21229 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-21229 being exploited?
There is no known exploitation of CVE-2026-21229 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Power BI Report Server
- CVE-2026-65811 Power BI Remote Code Execution Vulnerability
- CVE-2023-21806 Power BI Report Server Spoofing Vulnerability
- CVE-2026-58647 Microsoft PowerBI Report Server Spoofing Vulnerability
- CVE-2021-26859 Microsoft Power BI Information Disclosure Vulnerability
- CVE-2021-41372 Power BI Report Server Spoofing Vulnerability
Sources
Also known as GHSA-9h3x-5px3-gfh7.