P4Verified

CVE-2026-88164: Microsoft SharePoint Server Subscription Edition 16.0.0 to before 16.0.20326.20190

CVE-2026-88164. CVSS 3.1 base score 8.8 (GitHub Advisory Database).

Affected technology

Microsoft SharePoint Server Subscription Edition · 16.0.0 to before 16.0.20326.20190
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authorized attacker can elevate privileges over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.

Published 15-Oct-2026 01:10 UTC

CWE: CWE-862
CCR priority: 35.2 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · GitHub Advisory Database
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-15 01:13:25.227066+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-88164.html