CVE-2025-53787 Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

Description

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

Affected products and versions

Product	Affected versions	Fixed in
Microsoft 365 Copilot's Business Chat	Versions not published

Other CVEs of Microsoft 365 Copilot's Business Chat

The 7 CVEs of Microsoft 365 Copilot's Business Chat →

CVE-2026-78501 Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's… 8.6 High CVE-2026-26129 Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an… 7.5 High CVE-2026-26164 Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an… 7.5 High CVE-2025-59286 Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized… 9.3 Critical