What is CVE-2021-1712?

CVE-2021-1712 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Improper Privilege Management. CVSS score: 8.0/10. Published 2021-01-12.

How severe is CVE-2021-1712?

High severity. CVSS v3 base score is 8.0 out of 10.

Privilege escalation in Microsoft Sharepoint Enterprise Server 2016

CVE-2021-1712

Microsoft SharePoint Elevation of Privilege Vulnerability

Vulnerability class: Privilege Escalation

Published 2021-01-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (81.8th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
Microsoft Sharepoint Foundation 2013 Service Pack 1 — versions 15.0.0
Microsoft Sharepoint Server 2019 — versions 16.0.0
Microsoft Sharepoint Enterprise Server — versions 2016
Microsoft Sharepoint Foundation — versions 2013
Microsoft Sharepoint Server — versions 2019

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1712 (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2021-1712?: CVE-2021-1712 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Improper Privilege Management. CVSS score: 8.0/10. Published 2021-01-12.
How severe is CVE-2021-1712?: High severity. CVSS v3 base score is 8.0 out of 10.