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CVE-2026-50663 is a remote code execution vulnerability in Microsoft Age of Empires II: Definitive Edition caused by a relative path traversal flaw in the handling of attacker-controlled game content. The issue affects version 1.0.0 through versions earlier than 101.103.46651.0. Available reporting indicates the vulnerability can be triggered when a player joins a malicious multiplayer lobby and accepts or processes user-generated content such as custom maps or scenario data. Crafted content can be unpacked or written to attacker-chosen filesystem locations outside the intended directory, enabling placement or overwrite of files in paths that can subsequently lead to code execution. The vulnerability is network-reachable, requires no prior authentication, and depends on user interaction to join the rogue lobby or process the malicious content.
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A remote code execution vulnerability affecting Age of Empires II: Definitive Edition.
A remote code execution vulnerability in Age of Empires II: Definitive Edition caused by a path traversal issue in crafted game lobbies or file transfers, allowing attackers to write malicious scripts to specific disk paths and gain full control of the target system.
A vulnerability affecting Age of Empires II mentioned as part of the July Patch Tuesday release; no further technical details are provided in the content.
A relative path traversal vulnerability in Microsoft Age of Empires II: Definitive Edition Game that can allow unauthorized remote code execution over a network.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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