Use After Free Vulnerability in Windows Remote Desktop Services by Microsoft
CVE-2025-26671

8.1HIGH

Key Information:

Vendor

Microsoft
Status
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Windows Server 2025 (server Core Installation)
Vendor
CVE Published:
8 April 2025

What is CVE-2025-26671?

A significant vulnerability in Windows Remote Desktop Services permits unauthorized attackers to execute code remotely through a use after free flaw. This could lead to potential exploitation over the network, compromising system security if not promptly addressed with available patches.

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Affected Version(s)

Windows Server 2008 R2 Service Pack 1 (Server Core installation) x64-based Systems 6.1.7601.0 < 6.1.7601.27670

Windows Server 2008 R2 Service Pack 1 x64-based Systems 6.1.7601.0 < 6.1.7601.27670

Windows Server 2012 (Server Core installation) x64-based Systems 6.2.9200.0 < 6.2.9200.25423

References

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

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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