Vulnerability · Published Sep 8, 2026 · Assigned by microsoft

CVE-2026-58611Xbox Gaming Services Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity security flaw in Xbox Gaming Services from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 76.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Xbox Gaming Services 19.0.0.0 – before 37.114.10001.0

Weakness: CWE-285 · 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

References