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Microsoft Power Automate Desktop Elevation of Privilege Vulnerability

CVE-2026-77897 is an elevation of privilege vulnerability in Power Automate (rated Important, CVSS 7.0).

1 version

Facts

Microsoft id
CVE-2026-77897
Products
Power Automate
Severity
Important
Impact
Elevation of Privilege
CVSS
7.0
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
Customer action required
Yes
Release
2026-Sep
Assigned by
Microsoft
Weakness
CWE-23: Relative Path Traversal
MSRC revision
1.0
Status pages
Power Automate status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Security updates · open the original at Microsoft

Microsoft's revision notes

  1. Revision 1.0, 2026-09-08: Information published.

Microsoft says

Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally. According to the CVSS metric, the attack complexity is high (AC:H).

Security updates,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    The text as we first saw it

    Seen by us · Microsoft's timestamp · Microsoft's page

Other changes for Power Automate

Last updated