Title: Some users can’t access some applications when using Microsoft Defender for Endpoint
User impact: Users can’t access some applications when using Microsoft Defender for Endpoint.
More info: Users that have updated to the most recent Microsoft Defender for Endpoint update are impacted by this event.
Admins may be unable to access the expected level of granular controls.
Current status: Our deployment of the fix has failed, and is thus incomplete. We’re reviewing the deployment to understand what caused it to fail, determine how to repair the issue, and establish a new timeline for our fix deployment and impact resolution.
Scope of impact: Users that have updated to the most recent Microsoft Defender for Endpoint update are impacted by this event.
Start time: Tuesday, October 3, 2023, at 12:00 AM UTC
Root cause: A latent code regression introduced with an engine update within the affected infrastructure causes an unexpected parsing behavior to occur in certain circumstances, which is resulting in impact.
Next update by: Friday, November 3, 2023, at 5:00 PM UTC
