Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.

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Vendors Products
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Copilot Studio Subscribe
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 08 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:copilot_studio:-:*:*:*:*:*:*:*

Sat, 05 Sep 2026 05:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 03 Sep 2026 23:15:00 +0000

Type Values Removed Values Added
Description Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network.
Title Copilot Studio Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft copilot Studio
Weaknesses CWE-347
CPEs cpe:2.3:a:microsoft:copilot_studio:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft copilot Studio
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-09-16T21:59:40.718Z

Reserved: 2026-08-25T18:37:59.830Z

Link: CVE-2026-80098

cve-icon Vulnrichment

Updated: 2026-09-04T19:52:34.763Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-03T23:17:20.350

Modified: 2026-09-08T17:53:07.297

Link: CVE-2026-80098

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-04T00:30:12Z

Weaknesses