What is CVE-2023-33165?

CVE-2023-33165 is a medium-severity vulnerability in Microsoft Sharepoint Server 2019, classified under Information Disclosure. CVSS score: 4.3/10. Published 2023-07-11.

How severe is CVE-2023-33165?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Microsoft Sharepoint Server 2019

CVE-2023-33165

Microsoft SharePoint Server Security Feature Bypass Vulnerability

Vulnerability class: Information Disclosure

Published 2023-07-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.4th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Microsoft Sharepoint Server 2019 — versions 16.0.0
Microsoft Sharepoint Server Subscription Edition — versions 16.0.0
Microsoft Sharepoint Server — versions 2019

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33165 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-33165?: CVE-2023-33165 is a medium-severity vulnerability in Microsoft Sharepoint Server 2019, classified under Information Disclosure. CVSS score: 4.3/10. Published 2023-07-11.
How severe is CVE-2023-33165?: Medium severity. CVSS v3 base score is 4.3 out of 10.