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Vulnerability record · CVE-2003-0111 · published 5 May 2003

CVE-2003-0111: Microsoft virtual machine vulnerability

Microsoft · Virtual Machine

The ByteCode Verifier component of Microsoft Virtual Machine (VM) build 5.0.3809 and earlier, as used in Windows and Internet Explorer, allows remote attackers to bypass security checks and execute arbitrary code via a malicious Java applet, aka "Flaw in Microsoft VM Could Enable System Compromise."

7.5 CVSS 2.0 High EPSS 37% · top 1.5%
7.5CVSS 2.0 base score
37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

The ByteCode Verifier component of Microsoft Virtual Machine (VM) build 5.0.3809 and earlier, as used in Windows and Internet Explorer, allows remote attackers to bypass security checks and execute arbitrary code via a malicious Java applet, aka "Flaw in Microsoft VM Could Enable System Compromise."

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.iss.net/security_center/static/11751.php PatchVendor Advisory
http://www.kb.cert.org/vuls/id/447569 PatchThird Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-011
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A136
http://www.iss.net/security_center/static/11751.php PatchVendor Advisory
http://www.kb.cert.org/vuls/id/447569 PatchThird Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-011
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A136

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-0111), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.