Heap-based buffer overflow in Minecraft Bedrock Dedicated Server - CVE-2026-55010
Published: July 17, 2026
Vulnerability identifier: #VU138291
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-55010
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Minecraft Bedrock Dedicated Server. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Minecraft Bedrock Dedicated Server
How to mitigate CVE-2026-55010
Install updates from vendor's website.