Buffer overflow in Microsoft Minecraft Bedrock Dedicated Server

CVE-2026-55010

Heap-based buffer overflow in Minecraft Bedrock Dedicated Server allows an unauthorized attacker to execute code over a network.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-55010?
CVE-2026-55010 is a critical-severity vulnerability in Microsoft Minecraft Bedrock Dedicated Server, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-07-14.
How severe is CVE-2026-55010?
Critical severity. CVSS v3 base score is 9.8 out of 10.