Vulnerability Intelligence Report
Windows Xbox Live Networking Service Remote Code Execution Vulnerability
CVE-2026-112967
Heap-based buffer overflow in Windows Xbox Live Networking Service allows an unauthorized attacker to execute code over a network.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:1.15%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-122 ↗CWE-122: Heap-based Buffer Overflow
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 < 10.0.17763.9487 (affected) |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 < 10.0.19044.7846 (affected) |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 < 10.0.19045.7846 (affected) |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 < 10.0.22631.7711 (affected) |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 < 10.0.22631.7711 (affected) |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 < 10.0.26100.9974 (affected) |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 < 10.0.26200.9974 (affected) |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 < 10.0.28000.3501 (affected) |
| Microsoft | Windows 11 Version 26H2 | 10.0.26300.0 < 10.0.26300.9974 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.154%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-10-19T22:16:29 |
| Published | 2026-11-10T18:18:26 |
| Patch Date | 2026-11-10 |
| Last Updated | 2026-11-13T18:07:18 |
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