What is CVE-2026-69943?

CVE-2026-69943 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-10-13.

How severe is CVE-2026-69943?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Microsoft Sharepoint Enterprise Server 2016

CVE-2026-69943

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

Microsoft Office SharePoint Remote Code Execution Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-69943?: CVE-2026-69943 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-10-13.
How severe is CVE-2026-69943?: High severity. CVSS v3 base score is 8.8 out of 10.