CVE-2026-21229
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Description
Improper input validation in Power BI allows an authorized attacker to execute code over a network.
Analysis
Improper input validation in Power BI allows an authorized attacker to execute code over a network. [CVSS 8.0 HIGH]
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Remediation
Within 24 hours: Inventory all Power BI instances and document authorized user access; notify Power BI administrators to monitor for suspicious activity. Within 7 days: Implement network segmentation to restrict Power BI traffic, apply WAF rules to block malicious input patterns, and disable Power BI sharing with external users if not business-critical. …
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External POC / Exploit Code
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