Heap-based Buffer Overflow in Remote Desktop Client from Microsoft
CVE-2025-27487

8HIGH

Key Information:

Vendor

Microsoft
Status
Windows App Client For Windows Desktop
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Vendor
CVE Published:
8 April 2025

What is CVE-2025-27487?

A heap-based buffer overflow vulnerability exists in Remote Desktop Client, enabling an authorized attacker to execute arbitrary code remotely over a network connection. This flaw may lead to unauthorized actions or data breaches if exploited, allowing attackers to manipulate the application's memory allocation.

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Affected Version(s)

Remote Desktop client for Windows Desktop Unknown 1.2.0.0 < 1.2.6081.0

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.20978

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.7969

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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