Input validation error in Power BI Report Server - CVE-2026-65811
Published: August 13, 2026
Vulnerability identifier: #VU142253
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65811
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in Power BI. A remote user can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Power BI Report Server
How to mitigate CVE-2026-65811
Install updates from vendor's website.
Power BI Report Server - update to 15.0.1121.120