Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
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.
Security updates
1.26.9682.1442 — https://learn.microsoft.com/en-us/power-bi/report-server/changelog
Vulnerabilities 1
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High 8.8
Power BI Remote Code Execution Vulnerability
Improper input validation in Power BI allows an authorized attacker to execute code over a network.
Revision history
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#2
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.
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#1
Information published.
References
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CVE-2026-65811 Power BI Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65811
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss