Microsoft Power BI Report Server vulnerabilities

11 CVEs affecting Microsoft Power BI Report Server, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-65811, published 2026-08-11.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2019-1332, published 2019-12-10. Medium severity, CVSS 6.1. EPSS: 10.9% chance of exploitation in the next 30 days. A cross-site scripting (XSS) vulnerability exists when Microsoft SQL Server Reporting Services (SSRS) does not properly sanitize a specially-crafted web request to an affected SSRS server, aka…
CVE-2021-26859, published 2021-03-11. High severity, CVSS 7.7. EPSS: 3.4% chance of exploitation in the next 30 days. Microsoft Power BI Information Disclosure Vulnerability
CVE-2020-1173, published 2020-05-21. Medium severity, CVSS 6.8. EPSS: 2.5% chance of exploitation in the next 30 days. A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments. An authenticated attacker could exploit the vulnerability by…
CVE-2021-31984, published 2021-07-14. High severity, CVSS 7.6. EPSS: 1.9% chance of exploitation in the next 30 days. Power BI Remote Code Execution Vulnerability
CVE-2024-43481, published 2024-10-08. High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days. Power BI Report Server Spoofing Vulnerability
CVE-2026-21229, published 2026-02-10. High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days. Improper input validation in Power BI allows an authorized attacker to execute code over a network.
CVE-2026-65811, published 2026-08-11. High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days. Improper input validation in Power BI allows an authorized attacker to execute code over a network.
CVE-2023-21806, published 2023-02-14. High severity, CVSS 8.2. EPSS: 0.8% chance of exploitation in the next 30 days. Power BI Report Server Spoofing Vulnerability
CVE-2024-43612, published 2024-10-08. Medium severity, CVSS 4.7. EPSS: 0.7% chance of exploitation in the next 30 days. Power BI Report Server Spoofing Vulnerability
CVE-2021-41372, published 2021-11-10. High severity, CVSS 7.6. EPSS: 0.7% chance of exploitation in the next 30 days. A Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) vulnerability exists when Power BI Report Server Template file (pbix) containing HTML files is uploaded to the server and HTML files…

Latest

CVE-2026-58647, published 2026-07-14. Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days. Improper neutralization of input during web page generation ('cross-site scripting') in Power BI allows an authorized attacker to perform spoofing over a network.