What is CVE-2022-38764?

CVE-2022-38764 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2022-09-19.

How severe is CVE-2022-38764?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Microsoft Windows

CVE-2022-38764

A vulnerability on Trend Micro HouseCall version 1.62.1.1133 and below could allow a local attacker to escalate privlieges due to an overly permissive folder om the product installer.

Published 2022-09-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Microsoft Windows
Trend Micro Housecall (Consumer) — versions 1.62.1.1133
Trendmicro Housecall

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

helpcenter.trendmicro.com/en-us/article/tmka-11092 (Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-22-1178/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-38764?: CVE-2022-38764 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2022-09-19.
How severe is CVE-2022-38764?: High severity. CVSS v3 base score is 7.8 out of 10.