CVE-2026-70321: sharepoint server before 16.0.19725.20522 (exclusive); +1 more affected products

CVE-2026-70321. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA). EPSS 0.01694 (percentile 0.76941), scored 22-Oct-2026.

Affected technology

sharepoint server · before 16.0.19725.20522 (exclusive)
microsoft

Microsoft SharePoint Server Subscription Edition · 16.0.0 to before 16.0.19725.20522
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 execute code over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-502
CCR priority: 35.6 /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 · Vendor/CNA
EPSS: 0.01694 · percentile 0.76941 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-70321.html