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CVE record · 2 sources

CVE-2026-66801

CVSS 9.8

Heap-based buffer overflow in Xbox allows an unauthorized attacker to execute code over a network.

Vendor: Microsoft
Product: Microsoft GDK
CVSS v3.1: 9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-122

Coverage

2

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

45

CVE NVD 3h ago

Heap-based buffer overflow in Xbox allows an unauthorized attacker to execute code over a network.

Heap-based buffer overflow in Xbox allows an unauthorized attacker to execute code over a network.

CVSS 9.8 CVE-2026-66801 Microsoft
29

Advisory MSRC 6h ago

Microsoft Xbox Remote Code Execution Vulnerability

Heap-based buffer overflow in Xbox allows an unauthorized attacker to execute code over a network.

CVE-2026-66801 Microsoft