CVE-2026-105013: Microsoft Office SharePoint Remote Code Execution Vulnerability

Published Oct 13, 2026
·
Updated

Deserialization of untrusted data 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

2 affected componentsFixes available
Microsoft SharePoint
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·07:01 PM
Data Sourced
via MITRE·07:01 PM
DescriptionSeverity
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What level of access does an attacker need to exploit this issue?

The attacker must be authorized and able to reach the affected SharePoint deployment over the network. The supplied vector indicates low attack complexity, low required privileges, and no user interaction requirement.

2

Which products should be included in impact assessment?

Assess Microsoft SharePoint and Microsoft SharePoint Server Subscription Edition deployments. The provided data does not identify affected versions, fixed versions, or configuration-specific conditions.

Contact

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