CVE-2026-21229 is a high-severity vulnerability affecting Microsoft Power BI Report Server, stemming from improper input validation that allows an authenticated attacker to execute arbitrary code remotely. With a CVSS score of 8.8, this flaw presents a significant risk, enabling full compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered substantial community attention and media coverage, indicating a high level of awareness among security researchers. Organizations using Microsoft Power BI Report Server should prioritize patching to mitigate this critical risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.6.0, < 15.0.1120.113CPE match | cpe:2.3:a:microsoft:power_bi_report_server:*:*:*:*:*:*:*:* | ||
< 15.0.1120.113CPE matchmatch criteria | cpe:2.3:a:microsoft:power_bi_report_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.