CVE-2026-66801: Microsoft Xbox Remote Code Execution Vulnerability
Published Nov 10, 2026
·Updated
Heap-based buffer overflow in Xbox allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Xbox Remote Code Execution Vulnerability
— Microsoft
Affected Software
1 affected componentFixes available
Microsoft GDK<2610
2610
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 2610
Event History
Nov 10, 2026
CVE Published
via Microsoft·04:00 PM
Data Sourced
via Microsoft·04:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·04:00 PM
Affected Software
CVE Published
via MITRE·06:15 PM
Data Sourced
via MITRE·06:15 PM
DescriptionSeverity
Data Sourced
via NVD·07:21 PM
DescriptionSeverityWeakness