What is CVE-2026-69943?

CVE-2026-69943 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Office SharePoint Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-69943 cover?

CVE-2026-69943 covers the following CVE IDs: CVE-2026-69943. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-69943?

CVE-2026-69943 has a CVSS v3 base score of 8.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-69943?

CVE-2026-69943 affects 3 products, including: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.

CVE-2026-69943HighCVSS 8.8

Microsoft Office SharePoint Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 13, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-69943 →

📋 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.

🎯 Affected products3

Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition

✅ Remediation

KB5002927 (Security Update) — fixed build 16.0.20326.20190

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69943
patchhttps://www.microsoft.com/en-us/download/details.aspx?id=108862
referencehttps://support.microsoft.com/help/5002927