Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2019-18187
Trend Micro OfficeScan
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N U H H H 8.8 .2512 97.9 YES
AFFECTED
Product Versions Fixed
Trend Micro OfficeScan Version 11.0, XG (12.0) – —
TIMELINE
Oct 17 Reserved by trendmicro
Oct 28 Published (CNA: trendmicro)
Nov 3 Added to CISA KEV, remediation due 2022-05-03
Description
Trend Micro OfficeScan versions 11.0 and XG (12.0) could be exploited by an attacker utilizing a directory traversal vulnerability to extract files from an arbitrary zip file to a specific folder on the OfficeScan server, which could potentially lead to remote code execution (RCE). The remote process execution is bound to a web service account, which depending on the web platform used may have restricted permissions. An attempted attack requires user authentication.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| October 17, 2019 | Reserved | Reserved by trendmicro |
| October 28, 2019 | Published | Published (CNA: trendmicro) |
| November 3, 2021 | KEV ADDED | Added to CISA KEV, remediation due 2022-05-03 |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Trend Micro | Trend Micro OfficeScan | — | Version 11.0, XG (12.0) | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-18187 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.