CVE-2026-88102 - Vulnerability Details - OpenCVE

Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft Subscribe	Windows Server 2019 Subscribe Windows Server 2022 Subscribe Windows Server 2025 Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88102

History

Tue, 13 Oct 2026 19:15:00 +0000

Type	Values Removed	Values Added
Description		Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
Title		Microsoft Failover Cluster Remote Code Execution Vulnerability
First Time appeared		Microsoft Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025
Weaknesses		CWE-416
CPEs		cpe:2.3:o:microsoft:windows_server_2019:::::::: cpe:2.3:o:microsoft:windows_server_2022:::::::: cpe:2.3:o:microsoft:windows_server_2025::::::::
Vendors & Products		Microsoft Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88102
Metrics		cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-10-13T19:00:21.576Z

Updated: 2026-10-13T19:16:25.705Z

Reserved: 2026-09-09T21:51:51.954Z

Link: CVE-2026-88102

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-10-13T19:21:28.217

Modified: 2026-10-13T19:27:28.620

Link: CVE-2026-88102

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-416

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