CVE-2026-19874

A heap-based buffer overflow vulnerability exists in Konami's Metal Gear Online 3, originating from improper validation of lobby data fields related to kicked players. The affected function processes a list of kicked player identifiers using the lobby data key "kicknum" to determine the number of...

CVE-2026-19874

A heap-based buffer overflow exists in Konami's Metal Gear Online 3 (specifically version 1.1.2.8 , Steam AppID 287700) due to improper validation of lobby data. The software fails to check if the kick_num field exceeds the capacity of the fixed-length buffer used to store kicked player IDs. An a...

EUVD-2026-64916

A heap-based buffer overflow vulnerability exists in Konami's Metal Gear Online 3, originating from improper validation of lobby data fields related to kicked players. The affected function processes a list of kicked player identifiers using the lobby data key "kicknum" to determine the number of...