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Response snapshot Oct 26, 2026, 23:28 UTC

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VulnerabilityCVE-2016-3427Known exploitation

Oracle Java SE and JRockit Unspecified Vulnerability

Oracle Java SE and JRockit contains an unspecified vulnerability that allows remote attackers to affect confidentiality, integrity, and availability via vectors related to Java Management Extensions (JMX).

At a glance

Exploited
Yes: on CISA's Known Exploited list
Severity
Not scored yet
Chance of exploitation
92.3% in the next 30 days
CISA federal deadline
Jun 2, 2023: passed
Sources
1 source

What to do

Apply updates per vendor instructions.

Read CISA KEV entry CVE-2016-3427 (opens a new tab)

What happened

Oracle Java SE and JRockit contains an unspecified vulnerability that allows remote attackers to affect confidentiality, integrity, and availability via vectors related to Java Management Extensions (JMX). This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets.

It can also be exploited by supplying data to APIs in the specified component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service.

CISA federal deadline

Federal due date passed

Applies to covered US federal agencies; it is not your organization's deadline.

Added to the catalog Known ransomware use: Unknown
CISA catalog (opens a new tab)

Scores and how they were measured

CVSS base severity

Not available

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

92.3%

Scored Percentile 99.8%

Model and measurement source (opens a new tab)

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Related technology

Sources

  1. Primary source

    CISA KEV entry CVE-2016-3427 (opens a new tab)

    The CVE-2016-3427 catalog entry establishes known exploitation, date added, required action, and the federal due date; not zero-day status.

    Published Checked

  2. Primary source

    FIRST measured EPSS score (opens a new tab)

    Measured EPSS probability and percentile for CVE-2016-3427, scored 2026-10-26. This is a model estimate, not proof of exposure.

    Published Checked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2023, May 12). Oracle Java SE and JRockit Unspecified Vulnerability (CVE-2016-3427). https://kevwire.com/record/CVE-2016-3427

MLA

"Oracle Java SE and JRockit Unspecified Vulnerability (CVE-2016-3427)." KEVWire, 12 May 2023, kevwire.com/record/CVE-2016-3427.

Chicago

KEVWire. "Oracle Java SE and JRockit Unspecified Vulnerability (CVE-2016-3427)." Last modified May 12, 2023. https://kevwire.com/record/CVE-2016-3427.

Evidence summary (plain text)

Oracle Java SE and JRockit Unspecified Vulnerability (May 12, 2023).
Oracle Java SE and JRockit contains an unspecified vulnerability that allows remote attackers to affect confidentiality, integrity, and availability via vectors related to Java Management Extensions (JMX). This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service.
EPSS 92.3% for the following 30 days, scored Oct 26, 2026 (https://api.first.org/data/v1/epss?cve=CVE-2016-3427&date=2026-10-26).
Sources:
CISA KEV entry CVE-2016-3427: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
FIRST measured EPSS score: https://api.first.org/data/v1/epss?cve=CVE-2016-3427&date=2026-10-26
Record ID: CVE-2016-3427.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Documented by a cited source.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
CISA federal due date: Jun 2, 2023. This is a deadline for covered US federal agencies, not the reader's SLA.
About this data

This record was ingested from a data source. Retrieved: Oct 26, 2026, 19:40 UTC. Ingestion is not an independent editorial investigation.

CISA added this entry on 2023-05-12. This record's publication date is the catalog addition date, not necessarily the initial vulnerability disclosure. KEV means known exploitation, not necessarily a zero-day. CISA due dates apply to covered US federal agencies, not your organizational SLA.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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Record details

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