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 in Microsoft Power Automate for Desktop (version 1.0.0.0) involves exposure of sensitive information to unauthorized actors. An attacker with authorized access can disclose sensitive data over a network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, required privileges, no user interaction, unchanged scope, high confidentiality impact, no integrity or availability impact, and an official fix remediation level. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows an attacker who already has some level of authorized access to disclose sensitive information over the network, potentially leading to confidentiality breaches. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Power Automate for Desktop version 1.0.0.0 should apply the vendor-provided patch as detailed in the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40374 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Microsoft Power Automate for Desktop (version 1.0.0.0) involves exposure of sensitive information to unauthorized actors. An attacker with authorized access can disclose sensitive data over a network. The CVSS 3.1 vector indicates network attack vector, low attack complexity, required privileges, no user interaction, unchanged scope, high confidentiality impact, no integrity or availability impact, and an official fix remediation level. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows an attacker who already has some level of authorized access to disclose sensitive information over the network, potentially leading to confidentiality breaches. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users of Power Automate for Desktop version 1.0.0.0 should apply the vendor-provided patch as detailed in the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40374 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: 06/19/2026, 17:37:43 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 93
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