What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-11 · updated 2026-10-30
• Weakness: CWE-20

Description

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

Affected products

• Microsoft Power BI Report Server: before 15.0.1121.120 — fixed in 15.0.1121.120
• Microsoft Power BI Report Server: from 1.6.0 before 1.26.9682.1442 — fixed in 1.26.9682.1442

How to fix

Upgrade to a fixed version: Microsoft Power BI Report Server 15.0.1121.120; Microsoft Power BI Report Server 1.26.9682.1442. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65811

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