PT-2026-112975 · Microsoft · Sharepoint Server Subscription Edition

CVE-2026-88166

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Published

2026-10-13

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Updated

2026-10-13

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Fix

Stack Overflow

Integer Overflow

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Weakness Enumeration

CWE-121CWE-190

Related Identifiers

CVE-2026-88166

Affected Products

Sharepoint Server Subscription Edition