How severe is CVE-2021-31984?

High severity. CVSS v3 base score is 7.6 out of 10.

Vulnerability in Microsoft Power Bi Desktop

CVE-2021-31984

Power BI Remote Code Execution Vulnerability

Published 2021-07-14 · last modified 2026-08-10.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N.

EPSS exploit prediction

EPSS: 0.019 (79.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Microsoft Power Bi Desktop — versions 2.0.0.0
Microsoft Power Bi Report Server

References

af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31984 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2021-31984?: CVE-2021-31984 is a high-severity vulnerability in Microsoft Power Bi Desktop. CVSS score: 7.6/10. Published 2021-07-14.
How severe is CVE-2021-31984?: High severity. CVSS v3 base score is 7.6 out of 10.