Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
What action should customers take to address this vulnerability?
Customers should update Power Automate for desktop to the latest available version. Customers who have the Power Automate agent for virtual desktops installed on Citrix or another machine must also update that agent to version 2.71.115.26224 or later.
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Security updates
2.71.115.26224 — https://learn.microsoft.com/en-us/power-platform/released-versions/power-automate-desktop
Vulnerabilities 1
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High 7.0
Microsoft Power Automate Desktop Elevation of Privilege Vulnerability
Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.
Revision history
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#1
Information published.
References
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CVE-2026-77897 Microsoft Power Automate Desktop Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77897
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss