CVE-2024-49147: Microsoft Update Catalog Elevation of Privilege Vulnerability

Overview

Severity

Critical (CVSS 9.3)

CVSS Vector

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

Category

Elevation of Privilege

Exploit Status

Not Exploited

Patch Tuesday

2024-Dec

Released

2024-12-12

EPSS Score

0.43% (percentile: 63.0%)

Description

Deserialization of untrusted data in Microsoft Update Catalog allows an unauthorized attacker to elevate privileges on the website’s webserver.

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)

Apps

• Microsoft Update Catalog

Acknowledgments

<a href="https://infosec.exchange/@seibai">Jonathan Birch</a> with <a href="https://www.microsoft.com/">Microsoft</a>

Revision History

• 2024-12-12: Information published.