CVE-2008-5545

Original summary

Normalized public record · Updated Oct 23, 2026

Trend Micro VSAPI 8.700.0.1004 in Trend Micro AntiVirus, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.

Publisher and source text is retained separately from QFinch interpretation.

Affected products

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

1. Confirm the affected product and reachable code path exist in your environment.
2. Apply the vendor-supported patch or mitigation from the primary advisory.
3. Rescan the exact deployed revision and retain verification evidence.

Evidence coverage

SSVC priority

LOW

Confidence

20%

Aliases

None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

1. multiple-antivirus-mzheader-code-execution(47435) ↗
2. 4723 ↗
3. 20081209 Multiple Vendor Anti-Virus Software Malicious WebPage Detection Bypass -Update- ↗
4. 20081208 Multiple Vendor Anti-Virus Software Malicious WebPage Detection Bypass ↗

Record history

Published Dec 12, 2008 · Last refreshed Oct 23, 2026