CVE-2025-55245: Xbox Gaming Services Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

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

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2025-Sep

Released

2025-09-09

EPSS Score

0.09% (percentile: 25.4%)

Description

Improper link resolution before file access ('link following') in Xbox allows an authorized attacker to elevate privileges locally.

FAQ

What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker would be able to delete targeted files on a system.

Affected Products (1)

Apps

• Xbox Gaming Services

Security Updates (1)

• Release Notes

Acknowledgments

<a href="https://www.linkedin.com/in/enrique-fern&#225;ndez-lorenzo-49b884196/">Bighound</a>

Revision History

• 2025-09-09: Information published.