Description
Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
Published: 2026-10-13
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories

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History

Thu, 15 Oct 2026 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2025 (server Core Installation)
Vendors & Products Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2025 (server Core Installation)

Wed, 14 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


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
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'}


Subscriptions

Microsoft Windows Server 2019 Windows Server 2019 (server Core Installation) Windows Server 2022 Windows Server 2025 Windows Server 2025 (server Core Installation)
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-15T21:44:56.976Z

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

Link: CVE-2026-88102

cve-icon Vulnrichment

Updated: 2026-10-13T19:57:55.602Z

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-10-14T04:18:53.617

Link: CVE-2026-88102

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T19:45:13Z

Weaknesses