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CVE-2026-40374Important

Microsoft Power Automate Desktop Information Disclosure Vulnerability

MSRC advisory NVD CVE.org

Assessment

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

Severity
Important
CVSS base score
6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Impact
Information Disclosure
EPSS, next 30 days
1.0%Higher than 61.2% of scored CVEs · FIRST model run 29 Sep 2026 · about EPSS
Public exploit code
No Nuclei template lists it
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Power Automate
Weakness
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Issued by
Microsoft
Published
12 May 2026 · May 2026
Last revised
12 May 2026

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Microsoft Dynamics
1 affected product
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