Improper Authorization in Xbox Gaming Services

Publication date: 2026-09-08

Last updated on: 2026-09-14

Assigner: Microsoft Corporation

Description

Improper authorization in XBox Gaming Services allows an authorized attacker to elevate privileges locally.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-14

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-58611

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	xbox_gaming_services	to 37.114.10001.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-285	The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper authorization flaw in Xbox Gaming Services. It allows an attacker who is already authorized to elevate their privileges locally on the system.

Impact Analysis

An attacker could exploit this to gain higher access levels than intended, potentially allowing them to install malicious software, access sensitive data, or take control of the system.

Mitigation Strategies

Apply the latest security updates from Microsoft for Xbox Gaming Services to address the improper authorization issue. Monitor Microsoft's official security advisories for patches and follow their recommended mitigation steps.

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