CVE-1999-0766

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

published January 4, 2000

CVSS
—
EPSS
7%
Percentile
94.3
In the wild
Unconfirmed
What it is

⚠️ A crafty Java applet could break out of its sandbox! This vulnerability in the Microsoft Java Virtual Machine allows malicious code to run wild beyond intended boundaries. 😱 Think of a Java applet as a child playing in a designated play area. This vulnerability is like that child finding a hidden door leading out to the neighborhood, where they can get into all sorts of trouble — potentially wreaking havoc! An attacker could exploit this flaw to execute arbitrary commands, effectively taking control of the host system and compromising sensitive data. Just imagine the chaos if a playful applet decided to rummage through your files or change your system settings!

Put simply

Think of a Java applet as a child playing in a designated play area. This vulnerability is like that child finding a hidden door leading out to the neighborhood, where they can get into all sorts of trouble — potentially wreaking havoc! This vulnerability allows a malicious Java applet to escape the secure sandbox environment of the Microsoft Java Virtual Machine, enabling it to execute arbitrary commands on the host system.

What to do

An attacker could exploit this flaw to execute arbitrary commands, effectively taking control of the host system and compromising sensitive data. Just imagine the chaos if a playful applet decided to rummage through your files or change your system settings! To protect yourself, consider disabling or removing the outdated Microsoft Java Virtual Machine altogether. It's also essential to keep your systems updated and review your application's Java security settings regularly. Don't let rogue applets run amok! You've got this! Take these steps, and you'll be a security hero in no time! 🦸

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.07178 · 94.3th percentile
Published
2000-01-04T05:00Z
EPSS history
Timeline
  • 04 JAN 05:00Z
    The Microsoft Java Virtual Machine allows a malicious Java applet to execute arbitrary commands outside of the sandbox environment
    cvelistv5