CVE-2026-88099
Awaiting Analysis Awaiting Analysis - Queue

Windows Failover Cluster Uncaught Exception DoS Vulnerability

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-14
EPSS Evaluated
N/A
NVD
CVE-2026-88099
EUVD
EUVD-2026-99651

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
Microsoft Windows Server 2019 10.0.17763.0
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0
Microsoft Windows Server 2022 10.0.20348.0
Microsoft Windows Server 2025 10.0.26100.0
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-248 An exception is thrown from a function, but it is not caught.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
AI Quick Actions have not been generated yet.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-88099. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart