Microsoft Says Office Bug Exposed Customers’ Confidential Emails To Copilot Ai - Beritaja

Albert Michael By: Albert Michael - Wednesday, 18 February 2026 21:44:28

BERITAJA is a International-focused news website dedicated to reporting current events and trending stories from across the country. We publish news coverage on local and national issues, politics, business, technology, and community developments. Content is curated and edited to ensure clarity and relevance for our readers.

In Brief

Posted:

6:44 AM PST · February 18, 2026

In this photograph illustration, the Microsoft Copilot logo is seen successful the inheritance adjacent to a silhouette of a personification utilizing a notebook.Image Credits:Rafael Henrique/SOPA Images/LightRocket / Getty Images
  • Zack Whittaker

Microsoft has confirmed that a bug allowed its Copilot AI to summarize customers’ confidential emails for weeks without permission.

The bug, first reported by Bleeping Computer, allowed Copilot Chat to publication and outline the contents of emails since January, moreover if customers had information nonaccomplishment prevention policies to forestall ingesting their delicate accusation into Microsoft’s ample connection model.

Copilot Chat allows paying Microsoft 365 customers to usage the AI-powered chat characteristic successful its Office package products, including Word, Excel, and PowerPoint.

Microsoft said the bug, trackable by admins arsenic CW1226324, intends that draught and sent email messages “with a confidential explanation applied are being incorrectly processed by Microsoft 365 Copilot chat.” 

The tech elephantine said it began rolling retired a hole for the bug earlier successful February. A spokesperson for Microsoft did not respond to a petition for comment, including a mobility about really galore customers are affected by the bug.

Earlier this week, the European Parliament’s IT section told lawmakers that it blocked the built-in AI features connected their work-issued devices, citing concerns that the AI devices could upload perchance confidential correspondence to the cloud.

Subscribe for the industry’s biggest tech news

Latest successful Security


you are at the end of the news article with the title:

"Microsoft Says Office Bug Exposed Customers’ Confidential Emails To Copilot Ai - Beritaja"


Editor’s Note: If you're considering RV insurance, including options from National General and Good Sam, this guide provides a detailed comparison to help you make an informed decision. National General Good Sam RV Insurance: Complete Guide & Comparison (2026).

*Some links in this article may be affiliate links. This means we may earn a small commission at no extra cost to you, helping us keep the content free and up-to-date







Please read other interesting content from Beritaja.com at Google News and Whatsapp Channel!