CVE-2026-69804: Microsoft Office SharePoint Remote Code Execution Vulnerability

Published Sep 8, 2026
·
Updated

Microsoft Office SharePoint Remote Code Execution Vulnerability

Other sources

Time-of-check time-of-use (toctou) race condition in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Microsoft

Affected Software

2 affected componentsFixes available
Microsoft SharePoint Server Subscription Edition<16.0.20326.20090
16.0.20326.20090
Microsoft Office SharePoint

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 16.0.20326.20090Patch KB5002908

Event History

Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:13 PM
Data Sourced
via MITRE·05:13 PM
DescriptionSeverity
Data Sourced
via NVD·06:19 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What level of access does an attacker need?

Exploitation requires an authorized attacker with low privileges. The vulnerability can be exploited over a network and does not require user interaction.

2

What is the potential impact of successful exploitation?

Successful exploitation could allow code execution and has high impacts on confidentiality, integrity, and availability.

3

Which SharePoint products are identified as affected?

The affected software list identifies Microsoft SharePoint Server Subscription Edition and Microsoft Office SharePoint.

Contact

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