CVE-2025-53768

Xbox IStorageService Elevation of Privilege Vulnerability

State: Published
Severity: 7.8 High
Published: Oct 14, 2025
Updated: Feb 22, 2026
Reserved: Jul 9, 2025

Description

Use after free in Xbox allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	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	microsoft

Weaknesses

CWE-416 Use After Free
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

Product	Versions
Windows 10 Version 1507Microsoft	10.0.10240.0 to before 10.0.10240.21161Affected
Windows 10 Version 1607Microsoft	10.0.14393.0 to before 10.0.14393.8519Affected
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.7919Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.6456Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.6456Affected
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.6060Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.6060Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.6060Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.6899Affected

References

Xbox IStorageService Elevation of Privilege Vulnerabilityvendor-advisorypatch

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