A KERedirect Untrusted Pointer Dereference Privilege Escalation vulnerability in Trend Micro Antivirus for Mac (Consumer) 7.0 (2017) and above could allow a local attacker to escalate privileges on vulnerable installations. The issue results from the lack of proper validation function on 0x6F6A offset user-supplied buffer. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Conclusion & alert: CVE-2018-18328 is rated Moderate Risk (46.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.56%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.07% | 0.56% | +0.49% |
| 2 | 2024-12-17 | 0.04% | 0.07% | +0.02% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| trendmicro | antivirus_for_mac_2017 | >= 7.0, <= 7.1.1124 | cpe:2.3:a:trendmicro:antivirus_for_mac_2017:*:*:*:*:*:*:*:* |
| trendmicro | antivirus_for_mac_2018 | >= 8.0, <= 8.0.3082 | cpe:2.3:a:trendmicro:antivirus_for_mac_2018:*:*:*:*:*:*:*:* |
| trendmicro | antivirus_for_mac_2019 | >= 9.0, <= 9.0.1356 | cpe:2.3:a:trendmicro:antivirus_for_mac_2019:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/105757 | Third Party Advisory VDB Entry |
| https://esupport.trendmicro.com/en-US/home/pages/technical-support/1121296.aspx | Vendor Advisory |
| https://esupport.trendmicro.com/solution/ja-jp/1121350.aspx | Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-18-1296/ | Third Party Advisory VDB Entry |