CVE-2025-53787

HIGH
2025-08-07 [email protected]
8.2
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:05 vuln.today
CVE Published
Aug 07, 2025 - 21:15 nvd
HIGH 8.2

Tags

Command Injection Microsoft Information Disclosure 365 Copilot Chat

Description

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

Analysis

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. Microsoft 365 Copilot BizChat Information Disclosure Vulnerability Affected products include: Microsoft 365 Copilot Chat.

Affected Products

Microsoft 365 Copilot Chat.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +41
POC: 0

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CVE-2025-53787 vulnerability details – vuln.today
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