CVE-2026-58647: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Microsoft Power BI Report Server
Improper neutralization of input during web page generation ('cross-site scripting') in Power BI allows an authorized attacker to perform spoofing over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-79) in Microsoft Power BI Report Server 1.6.0 involves improper neutralization of input during web page generation, enabling an authorized attacker to conduct cross-site scripting attacks. The flaw can be exploited to perform spoofing over a network, potentially impacting confidentiality, integrity, and availability. The CVSS 3.1 base score is 8.0, indicating high severity. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation can lead to high impact on confidentiality, integrity, and availability of the affected system. An authorized attacker can perform spoofing attacks, potentially deceiving users or executing malicious scripts in the context of the vulnerable application.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58647 to remediate this vulnerability.
CVE-2026-58647: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Microsoft Power BI Report Server
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Power BI allows an authorized attacker to perform spoofing over a network.
CVSS v3.1
Score 8.0high
Affected software
pkg:nuget/Microsoft/powerbi.reportserverRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-79) in Microsoft Power BI Report Server 1.6.0 involves improper neutralization of input during web page generation, enabling an authorized attacker to conduct cross-site scripting attacks. The flaw can be exploited to perform spoofing over a network, potentially impacting confidentiality, integrity, and availability. The CVSS 3.1 base score is 8.0, indicating high severity. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation can lead to high impact on confidentiality, integrity, and availability of the affected system. An authorized attacker can perform spoofing attacks, potentially deceiving users or executing malicious scripts in the context of the vulnerable application.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58647 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-01T21:14:44.619Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58647","vendor":"Microsoft"}]
Threat ID: 6a566f8468715ace43e6c0dd
Added to database: 07/14/2026, 17:19:00 UTC
Last enriched: 08/13/2026, 16:13:59 UTC
Last updated: 08/26/2026, 22:52:11 UTC
Views: 114
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