CVE-2026-40374: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Power Automate for Desktop
Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-40374) in Microsoft Power Automate for Desktop involves the exposure of sensitive information to unauthorized actors. An attacker with authorized access can disclose sensitive data over a network. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, required privileges, no user interaction, and high confidentiality impact. Microsoft has released an official fix for this vulnerability. The affected version explicitly stated is 1.0.0.0.
Potential Impact
An authorized attacker can disclose sensitive information over a network, potentially leading to confidentiality breaches. There is no impact on integrity or availability. The vulnerability requires some level of privileges and does not require user interaction.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Microsoft Power Automate for Desktop version 1.0.0.0 should apply the vendor-provided patch as soon as possible to remediate this vulnerability.
CVE-2026-40374: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Power Automate for Desktop
Description
Exposure of sensitive information to an unauthorized actor in Power Automate allows an authorized attacker to disclose information over a network.
CVSS v3.1
Score 6.5medium
Affected software
Microsoft
Power Automate for Desktop
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-40374) in Microsoft Power Automate for Desktop involves the exposure of sensitive information to unauthorized actors. An attacker with authorized access can disclose sensitive data over a network. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, required privileges, no user interaction, and high confidentiality impact. Microsoft has released an official fix for this vulnerability. The affected version explicitly stated is 1.0.0.0.
Potential Impact
An authorized attacker can disclose sensitive information over a network, potentially leading to confidentiality breaches. There is no impact on integrity or availability. The vulnerability requires some level of privileges and does not require user interaction.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Microsoft Power Automate for Desktop version 1.0.0.0 should apply the vendor-provided patch as soon as possible to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-11T23:06:15.615Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40374","vendor":"Microsoft"}]
Threat ID: 6a036550cbff5d861008c904
Added to database: 05/12/2026, 17:37:20 UTC
Last enriched: 08/11/2026, 16:45:34 UTC
Last updated: 09/14/2026, 22:01:33 UTC
Views: 111
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