CVE WatchAug 6, 2026

CVE-2012-4681

Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability

CVSS

9.8

Critical

EPSS

98.5%

p100

KEV

YES

Mar 3, 2022

Exploit Today

0-100

Published: Aug 28, 2012 · Last modified: Aug 6, 2026 · CWE-284

EPSS · 30d

98.5%EPSS · 30 days98.5%

2026-09-162026-10-14

KEV catalog record

Product

Oracle / Java SE

Vulnerability

Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability

Added to KEV

Mar 3, 2022

Remediate by

Mar 24, 2022

Known ransomware use

Yes

Summary description

The Java Runtime Environment (JRE) component in Oracle Java SE allow for remote code execution.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2012-4681

Technical description

Multiple vulnerabilities in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 6 and earlier allow remote attackers to execute arbitrary code via a crafted applet that bypasses SecurityManager restrictions by (1) using com.sun.beans.finder.ClassFinder.findClass and leveraging an exception with the forName method to access restricted classes from arbitrary packages such as sun.awt.SunToolkit, then (2) using "reflection with a trusted immediate caller" to leverage the getField method to access and modify private fields, as exploited in the wild in August 2012 using Gondzz.class and Gondvv.class.

Official references

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