CVE-2024-49038: Microsoft Copilot Studio Elevation Of Privilege Vulnerability

Overview

Severity

Critical (CVSS 9.3)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2024-Nov

Released

2024-11-26

EPSS Score

0.17% (percentile: 38.2%)

Description

Improper neutralization of input during web page generation ('Cross-site Scripting') in Copilot Studio by an unauthorized attacker leads to elevation of privilege over a network.

FAQ

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability? This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency. Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

Affected Products (1)

Microsoft Office

• Microsoft Copilot Studio

Acknowledgments

Jhilakshi with Microsoft

Revision History

• 2024-11-26: Information published.