What is the CVSS score of CVE-2025-27487?

CVE-2025-27487 has a CVSS 3.1 base score of 8.0 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Which versions of Remote Desktop Client are affected by CVE-2025-27487?

Organizations using Heap-based buffer overflow in Remote Desktop Client face notable risk from CVE-2025-27487, a heap-based buffer overflow vulnerability rated CVSS 8.0.

How to fix or mitigate CVE-2025-27487?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Remote Desktop Client CVE-2025-27487

HIGH

Heap-based Buffer Overflow (CWE-122)

2025-04-08 secure@microsoft.com

Buffer Overflow Heap Overflow Remote Desktop Client Windows App Windows 10 1507 Windows 10 1607 Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2008 Windows Server 2012 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025 Microsoft

8.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.0 HIGH

AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:35 vuln.today

CVE Published

Apr 08, 2025 - 18:15 nvd

HIGH 8.0

DescriptionCVE.org

Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code over a network.

AnalysisAI

Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code over a network. Rated high severity (CVSS 8.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code over a network. Affected products include: Microsoft Remote Desktop Client, Microsoft Windows App, Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-27487 vulnerability details – vuln.today

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Remote Desktop Client CVE-2025-27487

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code