How severe is CVE-2022-33637?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Microsoft Defender For Endpoint

CVE-2022-33637

Microsoft Defender for Endpoint Tampering Vulnerability

Published 2022-07-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.016 (75.4th percentile), scored 2026-09-27.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.016 · change: +0.001

Affected products

Microsoft Defender For Endpoint
Microsoft Defender For Endpoint Linux — versions 101.0.0

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-33637 (vendor-advisory)

Frequently asked questions

What is CVE-2022-33637?: CVE-2022-33637 is a medium-severity vulnerability in Microsoft Defender For Endpoint. CVSS score: 6.5/10. Published 2022-07-12.
How severe is CVE-2022-33637?: Medium severity. CVSS v3 base score is 6.5 out of 10.