CVE-2025-53787

High

Description

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

SeverityHigh
CVSS8.2
Exploit probability—
ProductMicrosoft 365 Copilot Chat
PublishedAug 7, 2025
First seenAug 7, 2025

How to fix

Affected products

ProductAffected versionsFixed in
microsoft 365_copilot_chatNo range specified—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

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