Improper input validation in Microsoft Power Bi Report Server
CVE-2026-65811
Improper input validation in Power BI allows an authorized attacker to execute code over a network.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (59.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.010 · change: +0.004
Affected products
- Microsoft Power Bi Report Server — versions 1.6.0
- Microsoft Power Bi Report Server
Weakness classification (CWE)
References
- Power BI Remote Code Execution Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-65811?
- CVE-2026-65811 is a high-severity vulnerability in Microsoft Power Bi Report Server, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-08-11.
- How severe is CVE-2026-65811?
- High severity. CVSS v3 base score is 8.8 out of 10.