What is CVE-2026-70267?

CVE-2026-70267 is a high-severity vulnerability in Microsoft Sharepoint Server Subscription Edition, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.2/10. Published 2026-10-13.

How severe is CVE-2026-70267?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Microsoft Sharepoint Server Subscription Edition

CVE-2026-70267

Inclusion of functionality from untrusted control sphere in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

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

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/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

Microsoft Sharepoint Server Subscription Edition

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

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

Frequently asked questions

What is CVE-2026-70267?: CVE-2026-70267 is a high-severity vulnerability in Microsoft Sharepoint Server Subscription Edition, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.2/10. Published 2026-10-13.
How severe is CVE-2026-70267?: High severity. CVSS v3 base score is 7.2 out of 10.