CVE-2026-69943

High

Description

Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Microsoft Sharepoint Server

PublishedOct 13, 2026

First seenOct 13, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

microsoft sharepoint_server16.0.20326.20190 or later

Patches

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69943

Affected products

Product	Affected versions	Fixed in
microsoft sharepoint_server	v < 16.0.20326.20190, 2016, 2019	16.0.20326.20190

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