CVE-2026-65811: Power BI Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 8.8)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Aug

Released

2026-08-11

Last Updated

2026-08-19

EPSS Score

0.96% (percentile: 59.9%)

Description

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

FAQ

How could an attacker exploit this vulnerability? An authenticated attacker with low-level access to an affected server could send a specially crafted request to execute code on the server. User interaction is not required.

Affected Products (1)

SQL Server

• Power BI Report Server

Security Updates (1)

• Release Notes

Acknowledgments

Anonymous

Revision History

• 2026-08-11: Information published.
• 2026-08-19: Corrected the Power BI Report Server version in the Security Updates table to use the public release version instead of the internal build number. This is an informational change only.