What is CVE-2025-21187?

CVE-2025-21187 is a high-severity vulnerability in Microsoft Power Automate For Desktop, classified under Code Injection. CVSS score: 7.8/10. Published 2025-01-14.

How severe is CVE-2025-21187?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Microsoft Power Automate For Desktop

CVE-2025-21187

Microsoft Power Automate Remote Code Execution Vulnerability

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.005 (64.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Power Automate For Desktop — versions 1.0.0.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

Microsoft Power Automate Remote Code Execution Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-21187?: CVE-2025-21187 is a high-severity vulnerability in Microsoft Power Automate For Desktop, classified under Code Injection. CVSS score: 7.8/10. Published 2025-01-14.
How severe is CVE-2025-21187?: High severity. CVSS v3 base score is 7.8 out of 10.