NCSC-2026-0290 [1.00] [M/H] Vulnerability patched in Microsoft Power BI server
Microsoft has patched a vulnerability in Power BI server. An attacker can exploit the vulnerability to execute arbitrary code on the server. Successful exploitation requires the attacker to have prior authentication.
CSIRTS triage
- What
- Vulnerability in Power BI Server allows authenticated attackers to execute arbitrary code on the server.
- Who is affected
- Power BI Server deployments where authenticated users can access the vulnerable functionality.
- Urgency
- Moderate to high; requires authentication so exposure is limited to trusted users, but code execution impact is severe.
- Action
- Apply Microsoft's patches for CVE-2026-65811 to Power BI Server.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://advisories.ncsc.nl/advisory?id=NCSC-2026-0290
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
- highCVE-2026-65811: Improper input validation in Power BI allows an authorized attacker to execute code over a net…nvd
- highCVE-2026-65811: Power BI Remote Code Execution Vulnerabilitymsrc
Recent advisories for Microsoft Power BI
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[NEW] [high] Microsoft Power BI: Vulnerability enables Code Executioncert-bund · 2026-08-12
- high[NEW] [high] Microsoft SQL Server and Power BI: Multiple vulnerabilitiescert-bund · 2026-07-15
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