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CVE-2026-58647ImportantRevised 19 Aug

Microsoft PowerBI Report Server Spoofing Vulnerability

MSRC advisory NVD CVE.org

Assessment

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

Severity
Important
CVSS base score
8.0CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Spoofing
EPSS, next 30 days
0.5%Higher than 42.1% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Unlikely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Power BI
Weakness
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Issued by
Microsoft
Published
14 Jul 2026 · July 2026
Last revised
19 Aug 2026Corrected the Power BI Report Server version in the Security Updates table to use the public release version instead of the internal build number. This is an informational change only.

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

SQL Server
1 affected product
  • Power BI Report Server
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