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VULNERABILITIES

CVE-2026-88099 Details

Description

Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88099 [email protected]PatchVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-248Uncaught Exception[email protected]

Affected Products

ProductVersions
microsoft windows server 2019
< 10.0.17763.9376

CPE

  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:*

Remediation

  • No remediation found in references.
microsoft windows server 2022
< 10.0.20348.5761

CPE

  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*

Remediation

  • No remediation found in references.
microsoft windows server 2025
< 10.0.26100.33650

CPE

  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-88099
NVD Published Date:
Oct 13, 2026
NVD Last Modified:
Oct 16, 2026
Source:
[email protected]