Privilege Escalation Vulnerability in Xbox by Microsoft
CVE-2025-55245

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Xbox Gaming Services
Vendor
CVE Published:
9 September 2025

What is CVE-2025-55245?

A security weakness in Xbox Gaming Services involves improper link resolution before file access, allowing an authorized attacker to escalate privileges locally. This vulnerability can be exploited to gain elevated access to system resources, potentially compromising the integrity of the gaming environment.

Affected Version(s)

Xbox Gaming Services Unknown 19.0.0.0 < 30.104.13001.0.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.