What is CVE-2026-58647?

CVE-2026-58647 is a high-severity vulnerability in Microsoft Power Bi Report Server, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-07-14.

How severe is CVE-2026-58647?

High severity. CVSS v3 base score is 8.0 out of 10.

XSS in Microsoft Power Bi Report Server

CVE-2026-58647

Improper neutralization of input during web page generation ('cross-site scripting') in Power BI allows an authorized attacker to perform spoofing over a network.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (27.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Power Bi Report Server — versions 1.6.0
Microsoft Power_bi_report_server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Microsoft PowerBI Report Server Spoofing Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-58647?: CVE-2026-58647 is a high-severity vulnerability in Microsoft Power Bi Report Server, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-07-14.
How severe is CVE-2026-58647?: High severity. CVSS v3 base score is 8.0 out of 10.