CVE-2026-47030: Low severity Oracle Java SE (JavaFX) vulnerability

Published Jul 21, 2026
·
Updated

Vulnerability in Oracle Java SE (component: JavaFX). The supported version that is affected is Oracle Java SE: 8u491. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 3.1 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N).

Affected Software

3 affected components
Oracle Java SE (JavaFX)=8u491
Oracle JDK=1.8.0-update491
Oracle JRE=1.8.0-update491

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Oracle Java SE (JavaFX) to a version that resolves this vulnerability.

    Fixed in 8u491
  2. Compensating control

    Apply compensating mitigation by ensuring affected Java deployments only load and run trusted code (code installed by an administrator), since the described vulnerability applies to Java deployments that load and run untrusted code and rely on the Java sandbox.

  3. Operational

    Because successful attacks require human interaction from a person other than the attacker, reduce exposure by preventing users from running untrusted Java Web Start applications or sandboxed Java applets that load code from the internet.

Event History

Jul 21, 2026
CVE Published
via MITRE·09:33 PM
Data Sourced
via MITRE·09:33 PM
DescriptionSeverity
Data Sourced
via NVD·10:17 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-47030?

The severity of CVE-2026-47030 is low, rated at 3.1.

2

What component is affected by CVE-2026-47030?

CVE-2026-47030 affects the JavaFX component in Oracle Java SE.

3

Which version of Oracle Java SE is vulnerable to CVE-2026-47030?

The vulnerable version of Oracle Java SE is 8u491.

4

What type of attacker can exploit CVE-2026-47030?

CVE-2026-47030 can be exploited by an unauthenticated attacker with network access.

5

What is required for a successful attack using CVE-2026-47030?

A successful attack using CVE-2026-47030 requires human interaction.

Contact

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