What is CVE-2018-18332?

CVE-2018-18332 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.5/10. Published 2018-12-21.

How severe is CVE-2018-18332?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Microsoft Windows

CVE-2018-18332

A Trend Micro OfficeScan XG weak file permissions vulnerability may allow an attacker to potentially manipulate permissions on some key files to modify other files and folders on vulnerable installations.

Published 2018-12-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.014 (70.8th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Microsoft Windows
Trend Micro Officescan — versions XG (12.0)
Trendmicro Officescan — versions xg

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

success.trendmicro.com/solution/1121674 (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2018-18332?: CVE-2018-18332 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.5/10. Published 2018-12-21.
How severe is CVE-2018-18332?: High severity. CVSS v3 base score is 7.5 out of 10.