CVE-2026-21947: XSS
Vulnerability in Oracle Java SE (component: JavaFX). Supported versions that are affected are Oracle Java SE: 8u471-b50. 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
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21947?
CVE-2026-21947 is considered a difficult to exploit vulnerability that poses a risk to Oracle Java SE.
How do I fix CVE-2026-21947?
To address CVE-2026-21947, users should update Oracle Java SE to the latest version provided by Oracle.
What versions of Oracle Java SE are affected by CVE-2026-21947?
CVE-2026-21947 affects Oracle Java SE version 8u471-b50.
Who can exploit CVE-2026-21947?
CVE-2026-21947 can potentially be exploited by an unauthenticated attacker with network access.
What components of Oracle are impacted by CVE-2026-21947?
CVE-2026-21947 specifically affects the JavaFX component of Oracle Java SE.