CVE-2026-65811: Power BI Remote Code Execution Vulnerability
Improper input validation in Power BI allows an authorized attacker to execute code over a network.
CSIRTS triage
- What
- Improper input validation in Power BI allows an authorized attacker to execute code over a network.
- Who is affected
- Authorized users of Power BI deployments.
- Urgency
- High severity with CVSS 8.8; RCE capability makes this critical despite requiring authorization.
- Action
- Apply the latest security patch for Power BI from Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65811
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-658110.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-65811 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[NEW] [high] Microsoft Power BI: Vulnerability enables Code Executioncert-bund
- unknownMultiple vulnerabilities in Microsoft products (August 12, 2026)cert-fr-avis
- unknownNCSC-2026-0290 [1.00] [M/H] Vulnerability patched in Microsoft Power BI serverncsc-nl
- highCVE-2026-65811: Improper input validation in Power BI allows an authorized attacker to execute code over a net…nvd
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