MicrosoftRadarIndependent status for Microsoft services

Xbox Gaming Services Elevation of Privilege Vulnerability

CVE-2026-95874 is an elevation of privilege vulnerability in Xbox (rated Important, CVSS 7.8).

1 version

Facts

Microsoft id
CVE-2026-95874
Products
Xbox
Severity
Important
Impact
Elevation of Privilege
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
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation More Likely
Customer action required
Yes
Release
2026-Nov
Assigned by
Microsoft
Weakness
CWE-122: Heap-based Buffer Overflow
MSRC revision
1.0
Status pages
Xbox network status
First captured by us
Microsoft last modified
Source
Security updates · open the original at Microsoft

Microsoft's revision notes

  1. Revision 1.0, 2026-11-10: Information published.

Microsoft says

Heap-based buffer overflow in Xbox allows an authorized attacker to elevate privileges locally.

Security updates,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    The text as we first saw it

    Seen by us · Microsoft's timestamp · Microsoft's page

Other changes for Xbox network