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CVE-2025-53787

Microsoft 365 - Copilot BizChat

Microsoft CVSS 8.2 Updated March 12, 2026

Executive Risk Summary

"A vulnerability in Microsoft 365 Copilot BizChat could allow an attacker to disclose sensitive information. This vulnerability is related to information disclosure and could potentially impact the confidentiality of data."

Operational Audit Arsenal

Target Type Service
Target Asset Microsoft 365 Copilot BizChat
Standard Path %programfiles%Microsoft 365 ootOffice16
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Microsoft 365 Copilot BizChat (Service)
$Targets = 'Microsoft 365 Copilot BizChat'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")

Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue | 
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}

Patch Impact Forecast

Reboot Required Unlikely

Microsoft 365 services may be affected

Internal Work Notes

Information disclosure vulnerability in Microsoft 365 Copilot BizChat, patching required to prevent potential data breaches

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Intelligence Sources

Related Microsoft Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.