CVE-2016-3427

CVE-2016-3427 is a critical-severity vulnerability in Oracle Jdk with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-05-12). The underlying weakness is classified as CWE-284.

Key facts

Description

Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRockit R28.3.9 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to JMX.

Frequently asked questions

What is CVE-2016-3427?
Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRockit R28.3.9 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to JMX.
How severe is CVE-2016-3427?
CVE-2016-3427 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-3427 being actively exploited?
Yes. CVE-2016-3427 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-05-12, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2016-3427?
CVE-2016-3427 primarily affects Oracle Jdk. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-3427?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2016-3427 have an EU (EUVD) identifier?
Yes. CVE-2016-3427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-4453. It is also flagged as exploited in the EUVD (since 2023-05-12).
When was CVE-2016-3427 published?
CVE-2016-3427 was published on 2016-04-21 and last updated on 2026-06-17.

References

Affected products (78)

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