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CVE-2026-77897Important

Microsoft Power Automate Desktop Elevation of Privilege Vulnerability

MSRC advisory NVD CVE.org

Assessment

Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.

Severity
Important
CVSS base score
7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Elevation of Privilege
EPSS, next 30 days
0.3%Higher than 19.3% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Power Automate
Weakness
CWE-23: Relative Path Traversal
Issued by
Microsoft
Published
8 Sep 2026 · September 2026
Last revised
8 Sep 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
2 affected products
  • Power Automate agent for virtual desktops
  • Power Automate for Desktop
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