Vulnerability in Microsoft Sharepoint Server Subscription Edition

CVE-2026-69804

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

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-69804?
CVE-2026-69804 is a high-severity vulnerability in Microsoft Sharepoint Server Subscription Edition, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.5/10. Published 2026-09-08.
How severe is CVE-2026-69804?
High severity. CVSS v3 base score is 7.5 out of 10.