NULL pointer dereference in Trend Micro Antivirus for Mac
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Trend Micro | Trend Micro Antivirus for Mac (Consumer) | 7.0 (2017) and above | — | No fix listed | CNA |
- Trend Micro Antivirus for Mac (Consumer) VendorTrend Micro Affected 7.0 (2017) and above Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trendmicro:antivirus_for_mac_2017:*:*:*:*:*:*:*:* | 7.0 – 7.1.1124 | Vulnerable | Trendmicro |
| cpe:2.3:a:trendmicro:antivirus_for_mac_2018:*:*:*:*:*:*:*:* | 8.0 – 8.0.3082 | Vulnerable | Trendmicro |
| cpe:2.3:a:trendmicro:antivirus_for_mac_2019:*:*:*:*:*:*:*:* | 9.0 – 9.0.1356 | Vulnerable | Trendmicro |
- cpe:2.3:a:trendmicro:antivirus_for_mac_2017:*:*:*:*:*:*:*:* Versions 7.0 – 7.1.1124 Vulnerable ·Trendmicro
- cpe:2.3:a:trendmicro:antivirus_for_mac_2018:*:*:*:*:*:*:*:* Versions 8.0 – 8.0.3082 Vulnerable ·Trendmicro
- cpe:2.3:a:trendmicro:antivirus_for_mac_2019:*:*:*:*:*:*:*:* Versions 9.0 – 9.0.1356 Vulnerable ·Trendmicro
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-18328
- 2026-10-03 Alias added: GHSA-ch46-rp5x-f4c7
References
More Trend Micro vulnerabilities
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- TI-2020-06895 Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-14867 Unrestricted file upload in Trend Micro Apex One KEVCVSS 3.1HIGH 8.8
- TI-2020-06795 Injection in Trend Micro OfficeScan, Trend Micro Apex One, Trend Micro Worry-Free… KEVCVSS 3.1HIGH 8.8
- TI-2020-06794 A migration tool component of Trend Micro Apex One (2019) and OfficeScan XG contains a… KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2018-18328 · CVE Program
- CVE-2018-18328 · NVD
- FIRST EPSS
- GHSA-ch46-rp5x-f4c7 · GitHub Advisory Database · CC BY 4.0
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