CVE-2026-40374 Microsoft Power Automate Desktop Information Disclosure Vulnerability
An authorized attacker can disclose sensitive information over the network in Microsoft Power Automate Desktop.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40374?
CVE-2026-40374 is a medium-severity vulnerability in Microsoft Power Automate for Desktop, published on 12 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.
Weakness: CWE-200
Which versions are affected by CVE-2026-40374?
It affects 1 product.
Products include Microsoft Power Automate for Desktop.
How do I fix CVE-2026-40374?
No fix has been published for CVE-2026-40374 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-40374 being exploited?
There is no known exploitation of CVE-2026-40374 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Power Automate for Desktop
- CVE-2025-47966 Power Automate Elevation of Privilege Vulnerability
- CVE-2025-21187 Microsoft Power Automate Remote Code Execution Vulnerability
- CVE-2026-77897 Microsoft Power Automate Desktop Elevation of Privilege Vulnerability
- CVE-2025-29817 Microsoft Power Automate Desktop Information Disclosure Vulnerability
Sources
Also known as GHSA-8fxf-7qxm-gqm9.