CVE-2026-47035Network attack vector

Unauthenticated modification of accessible data

Published Jul 21, 2026 · Updated Jul 21, 2026

Improper access control in JavaFX in Oracle Java SE 8u491 allows remote attackers to alter some accessible data through untrusted code. Oracle has not disclosed the flawed JavaFX code path or the access-control operation that mishandles untrusted input. Exploitation requires user interaction and a client that runs untrusted Java Web Start or applet code while relying on the Java sandbox.

CVSS severity3.1
Low
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper access control in JavaFX in Oracle Java SE 8u491 allows remote attackers to alter some accessible data through untrusted code. Oracle has not disclosed the flawed JavaFX code path or the access-control operation that mishandles untrusted input. Exploitation requires user interaction and a client that runs untrusted Java Web Start or applet code while relying on the Java sandbox.

The record

CVE
CVE-2026-47035
Published
Jul 21, 2026
Updated
Jul 21, 2026
Vendor
Oracle
Product
Java Platform, Standard Edition (Java SE)
Classifications
CWE-284
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8u491

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · Java Platform, Standard Edition (Java SE)version=8u491

Published CVSS scores

3.1OracleCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo