CVE-2026-88166

CVE-2026-88166 · Microsoft Office SharePoint Remote Code Execution Vulnerability

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVSS 8.8 · High · EPSS 0.8% · Fix available

Published

2026-10-13T19:01:14.099Z

Updated

2026-10-23T22:30:09.567Z

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