CVE-2026-58647 Microsoft PowerBI Report Server Spoofing Vulnerability

High 8.0 Published Updated

An authorized attacker can perform spoofing via cross-site scripting in Microsoft Power BI Report Server.

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-2026-58647?

CVE-2026-58647 is a high-severity cross-site scripting vulnerability in Microsoft Power BI Report Server, published on 14 Jul 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 neutralization of input during web page generation ('cross-site scripting') in Power BI allows an authorized attacker to perform spoofing over a network.

Weakness: CWE-79

Which versions are affected by CVE-2026-58647?

It affects 1 product.

Products include Microsoft Power Bi Report Server.

How do I fix CVE-2026-58647?

No fix has been published for CVE-2026-58647 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-58647 being exploited?

There is no known exploitation of CVE-2026-58647 in the wild and no public exploit code.

Sources

Also known as GHSA-qxvr-2hqj-cxr6.

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