CVE-2026-69943: Microsoft Office SharePoint Remote Code Execution Vulnerability

Published Oct 13, 2026
·
Updated

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.

Other sources

Microsoft Office SharePoint Remote Code Execution Vulnerability

— Microsoft

Affected Software

3 affected componentsFixes available
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition<16.0.20326.20190
16.0.20326.20190

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.20326.20190Patch KB5002927

Event History

Oct 13, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
DescriptionSeverity

Frequently Asked Questions

1

Who can exploit this vulnerability?

An attacker must be authorized to access the affected SharePoint environment. Exploitation can be performed over the network and does not require user interaction.

2

Which SharePoint versions are identified as affected?

The affected products listed are Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, and Microsoft SharePoint Server Subscription Edition.

3

What level of impact could successful exploitation have?

Successful exploitation allows code execution. The supplied severity vector indicates high confidentiality, integrity, and availability impact.

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