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CVE-2017-3262 Oracle CVE debrief

CVE-2017-3262 is a confidentiality issue in Oracle Java SE, specifically the Java Mission Control subcomponent. Oracle/NVD describe it as easily exploitable by an unauthenticated attacker with network access via multiple protocols, with successful attacks resulting in unauthorized read access to a subset of accessible data. The affected supported version identified in the record is Java SE 8u112, and the advisory context points to Java Mission Control installation. For defenders, the main concern is exposed Java installations that include the affected component. The issue does not indicate integrity or availability impact in the supplied record, but the lack of authentication and network reachability make it important to patch or restrict exposure promptly.

Vendor
Oracle
Product
CVE-2017-3262
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2017-01-27
Original CVE updated
2026-05-13
Advisory published
2017-01-27
Advisory updated
2026-05-13

Who should care

Oracle Java SE administrators, especially those running Java SE 8u112 with Java Mission Control installed; defenders responsible for internet-facing or otherwise network-reachable Java deployments.

Technical summary

The NVD record classifies CVE-2017-3262 as an information disclosure flaw in Oracle Java SE's Java Mission Control component. The CVSS v3.0 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, indicating network reachability, no authentication required, no user interaction, and confidentiality-only impact. The supplied CPE criteria identify Oracle JDK 1.8 update 112 and Oracle JRE 1.8 update 112 as vulnerable targets. Oracle's January 2017 CPU advisory is listed as the vendor patch reference.

Defensive priority

Medium. The issue is unauthenticated and network-reachable, so exposed systems should be addressed promptly, but the supplied record limits impact to partial data disclosure with no integrity or availability effect.

Recommended defensive actions

  • Identify Oracle Java SE 8u112 JDK/JRE deployments, especially systems with Java Mission Control installed.
  • Apply Oracle's January 2017 CPU fix or a later supported Java update that remediates the issue.
  • If immediate patching is not possible, reduce network exposure to affected Java services and limit access to trusted hosts only.
  • Confirm whether Java Mission Control is installed on production systems and remove or disable it where it is not needed.
  • Use the CVE and NVD records to validate affected version scope before and after remediation.

Evidence notes

All statements are based on the supplied NVD CVE record and its referenced Oracle CPU advisory. The record states: affected versions are Java SE 8u112 JDK/JRE, exploitation is unauthenticated and network-based, and impact is unauthorized read access to a subset of accessible data. The CVE was published on 2017-01-27; the later 2026-05-13 modification timestamp reflects database maintenance, not the original issue date.

Official resources

Publicly disclosed in the CVE/NVD record on 2017-01-27. This debrief uses that CVE published timestamp as the issue-date context.