CVE-2026-26129 | Microsoft 365 Copilots Business Chat special element

SecurityVulns
Yanac

A vulnerability was found in Microsoft 365 Copilots Business Chat. It has been declared as problematic. The impacted element is an unknown function. The manipulation results in improper neutralization of special elements.

This vulnerability is reported as CVE-2026-26129. The attack can be launched remotely. No exploit exists.

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