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Vulnerability record · CVE-2021-26859 · published 11 March 2021
CVE-2021-26859: Microsoft power bi report server vulnerability
Microsoft · Power Bi Report Server
Microsoft Power BI Information Disclosure Vulnerability
7.7 CVSS 3.1 High EPSS 3.0% · top 13.0%
7.7CVSS 3.1 base score, v2 4.0
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
19 Aug 2026Last modified by NVD
Description
Microsoft Power BI Information Disclosure Vulnerability
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
Track CVE-2021-26859 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
8.8CVE-2026-65811Microsoft power bi report server improper input validation vulnerabilityImproper input validation in Power BI allows an authorized attacker to execute code over a network.EPSS 0.96%8.8CVE-2026-21229Microsoft power bi report server improper input validation vulnerabilityImproper input validation in Power BI allows an authorized attacker to execute code over a network.EPSS 0.94%8.8CVE-2024-43481Microsoft power bi report server cross-site scripting vulnerabilityPower BI Report Server Spoofing VulnerabilityEPSS 1.8%8.2CVE-2023-21806Microsoft power bi report server cross-site scripting vulnerabilityPower BI Report Server Spoofing VulnerabilityEPSS 0.78%7.6CVE-2021-41372Microsoft power bi report server cross-site scripting vulnerabilityA Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) vulnerability exists when Power BI Report Server Template file (pbix) containing H…EPSS 0.68%7.6CVE-2021-31984Microsoft power bi report server vulnerabilityPower BI Remote Code Execution VulnerabilityEPSS 1.9%6.8CVE-2020-1173Microsoft power bi report server improper input validation vulnerabilityA spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments. An authenticate…EPSS 2.5%6.1CVE-2019-1332Microsoft power bi report server cross-site scripting vulnerabilityA cross-site scripting (XSS) vulnerability exists when Microsoft SQL Server Reporting Services (SSRS) does not properly sanitize a specially-crafted …EPSS 8.7%
Source: NIST National Vulnerability Database (record CVE-2021-26859), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
