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.

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

.