CVE-2026-47644 | Microsoft Copilot Chat Downstream injection

A vulnerability was found in Microsoft Copilot Chat. It has been classified as critical. This vulnerability affects unknown code of the component Downstream. Performing a manipulation results in injection.

This vulnerability is known as CVE-2026-47644. Remote exploitation of the attack is possible. No exploit is available.

This product is a managed service, indicating that users are not permitted to maintain vulnerability countermeasures themselves.VulDB Recent EntriesRead More