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CVE-2026-77897

HighCVSS 7.0/10Last modified Sep 29, 2026

Description

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

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Power Automate agent for virtual desktops	>= 1.0.0.0, < 2.71.115.26224
Microsoft	Power Automate for Desktop	>= 1.0.0.0, < 2.71.115.26224

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77897Vendor Advisory

Timeline

Published: Sep 8, 2026
Last modified: Sep 29, 2026
NVD status: Analyzed

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CVE-2026-77897: High severity, CVSS 7.0 | Vulnix