CVE-2026-55010 Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability

Critical 9.8 Published Updated

An unauthorized attacker can execute arbitrary code remotely via a heap-based buffer overflow in the Minecraft Bedrock Dedicated Server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-55010?

CVE-2026-55010 is a critical memory corruption vulnerability in Microsoft Minecraft Bedrock Dedicated Server, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-122

Which versions are affected by CVE-2026-55010?

It affects 1 product.

Products include Microsoft Minecraft Bedrock Dedicated Server.

How do I fix CVE-2026-55010?

No fix has been published for CVE-2026-55010 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-55010 being exploited?

There is no known exploitation of CVE-2026-55010 in the wild and no public exploit code.

Sources

Also known as GHSA-xf2v-8394-h23j.

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