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Vulnerability record · CVE-1999-0766 · published 21 October 1999

CVE-1999-0766: Microsoft java virtual machine vulnerability

Microsoft · Java Virtual Machine

The Microsoft Java Virtual Machine allows a malicious Java applet to execute arbitrary commands outside of the sandbox environment.

9.3 CVSS 2.0 High EPSS 7.2% · top 5.9% CWE-16 · CWE-16
9.3CVSS 2.0 base score
7.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

The Microsoft Java Virtual Machine allows a malicious Java applet to execute arbitrary commands outside of the sandbox environment.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ240346
http://www.securityfocus.com/bid/600
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-031
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ240346
http://www.securityfocus.com/bid/600
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-031

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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-1999-0766), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.