CVE-2026-77900 | Microsoft Azure App Service missing authentication

October 9, 2026 Yanac

A vulnerability described as very critical has been identified in Microsoft Azure App Service. The impacted element is an unknown function. The manipulation results in missing authentication.

This vulnerability is identified as CVE-2026-77900. The attack can be executed remotely. There is not any exploit available.

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