What is CVE-2026-40374?

CVE-2026-40374 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Power Automate Desktop Information Disclosure Vulnerability

Which CVE IDs does CVE-2026-40374 cover?

CVE-2026-40374 covers the following CVE IDs: CVE-2026-40374. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-40374?

CVE-2026-40374 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-40374?

CVE-2026-40374 affects 1 product, including: Power Automate for Desktop.

CVE-2026-40374HighCVSS 6.5

Microsoft Power Automate Desktop Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-40374 →

📋 Description

Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.

🎯 Affected products1

Power Automate for Desktop

✅ Remediation

KBRelease Notes (Security Update) — fixed build 2.67

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40374
patchhttps://go.microsoft.com/fwlink/?linkid=2102613
referencehttps://learn.microsoft.com/en-us/power-platform/released-versions/power-automate-desktop