What is CVE-2026-77897?

CVE-2026-77897 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Power Automate Desktop Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-77897 cover?

CVE-2026-77897 covers the following CVE IDs: CVE-2026-77897. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-77897?

CVE-2026-77897 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-77897?

CVE-2026-77897 affects 2 products, including: Power Automate agent for virtual desktops; Power Automate for Desktop.

CVE-2026-77897HighCVSS 7.0

Microsoft Power Automate Desktop Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-77897 →

📋 Description

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

🎯 Affected products2

Power Automate agent for virtual desktops
Power Automate for Desktop

✅ Remediation

KBRelease Notes (Security Update) — fixed build 2.71.115.26224

🔗 References (4)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77897
patchhttps://go.microsoft.com/fwlink/?linkid=2102613
referencehttps://learn.microsoft.com/en-us/power-platform/released-versions/power-automate-desktop
patchhttps://go.microsoft.com/fwlink/?linkid=2188766