PT-2026-112839 · Microsoft · Sharepoint Server Subscription Edition

CVE-2026-85900

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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
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Fix

Deserialization of Untrusted Data

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Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-85900

Affected Products

Sharepoint Server Subscription Edition