CRITICALCVSS v3.1 9.8Vulnerability

CVE-2026-66801

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

Properties

Severity
CRITICAL
Nvd fetched at
2026-11-10T23:33:48.924589+00:00
Cvss score
9.8
Cvss severity
CRITICAL
Retrieved at
2026-11-10T23:34:23+00:00
Score
9.8
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-66801
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-10T19:28:56+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-10T19:21:17.250
Last modified
2026-11-10T22:19:15.130

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Heap-based Buffer Overflow

Related research

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CVE-2026-66801 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal