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TI-2026-54228 Aliases CVE-2026-77897GHSA-wf4r-6fvq-98c6

Microsoft Power Automate Desktop Elevation of Privilege Vulnerability

Priority LOW 33CWE-23Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix Fixed Power Automate agent for virtual desktops (Microsoft): 2.71.115.26224Power Automate for Desktop (Microsoft): 2.71.115.26224

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftPower Automate agent for virtual desktops1.0.0.0 to before 2.71.115.262242.71.115.26224Patch availableCNA
MicrosoftPower Automate for Desktop1.0.0.0 to before 2.71.115.262242.71.115.26224Patch availableCNA
  • Power Automate agent for virtual desktops VendorMicrosoft Affected 1.0.0.0 to before 2.71.115.26224 Fixed in 2.71.115.26224 Patch available CNA
  • Power Automate for Desktop VendorMicrosoft Affected 1.0.0.0 to before 2.71.115.26224 Fixed in 2.71.115.26224 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:power_automate_for_desktop:*:*:*:*:*:*:*:*before 2.71.115.26224VulnerableMicrosoft
  • cpe:2.3:a:microsoft:power_automate_for_desktop:*:*:*:*:*:*:*:* Versions before 2.71.115.26224 Vulnerable ·Microsoft

Remediation

  • Fix · CNA Power Automate agent for virtual desktops (Microsoft) Fixed in 2.71.115.26224
  • Fix · CNA Power Automate for Desktop (Microsoft) Fixed in 2.71.115.26224

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Power Automate agent for virtual desktopsFixed 2.71.115.26224 · Security Update
Power Automate for DesktopFixed 2.71.115.26224 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77897
  2. 2026-10-03 Alias added: GHSA-wf4r-6fvq-98c6

References

Patch 1

  • TI-2025-30355 Power Automate Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2025-15158 Microsoft Power Automate Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2026-29148 Microsoft Power Automate Desktop Information Disclosure Vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2025-21225 Microsoft Power Automate Desktop Information Disclosure Vulnerability CVSS 3.1MEDIUM 5.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences