---
id: "CVE-2011-3544"
kind: "vulnerability"
aliases: ["CVE-2011-3544"]
title: "Oracle Java SE JDK and JRE: Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability"
severity: "critical"
cvss: 10.0
epss: 0.96653
exploited: true
status: "open"
category: "runtime"
products: [{"name": "Oracle Java SE JDK and JRE", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["browsers", "desktop", "exploited", "java", "jre", "oracle-jdk", "runtime"]
not_affected_if: ["java-applets-disabled", "no-java-installed"]
published_at: "2011-10-19T21:55:01+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2011-3544", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-3544", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-3544", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Oracle Java SE JDK and JRE: Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability

Oracle's Java Runtime Environment has an access control flaw in its Applet Rhino Script Engine component. A remote attacker can run arbitrary code on a machine where the flaw is reachable.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Oracle Java SE JDK and JRE affected ? fixed ?

## Fix

Apply the Oracle Java SE update that addresses CVE-2011-3544 (CISA says apply updates per vendor instructions); the sources do not name the fixed version.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2011-3544
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2011-3544
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2011-3544

## From the sources

Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE JDK and JRE 7 and 6 Update 27 and earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality, integrity, and availability via unknown vectors related to Scripting.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_