SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2016-3427

Oracle Java SE and JRockit Unspecified Vulnerability

KEVCRITICAL 9.8EPSS 92.3%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 2 June 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
92.33% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 12 May 2023 · due 2 June 2023
Weakness
CWE-284
Affected
oracle/jdk · oracle/jre · oracle/jrockit · oracle/linux · canonical/ubuntu linux · debian/debian linux · netapp/e-series santricity management plug-ins · netapp/e-series santricity storage manager · netapp/e-series santricity web services · netapp/oncommand balance · netapp/oncommand cloud manager · netapp/oncommand insight · netapp/oncommand performance manager · netapp/oncommand report · netapp/oncommand shift · netapp/oncommand unified manager · netapp/oncommand workflow automation · netapp/storagegrid · netapp/vasa provider for clustered data ontap · netapp/virtual storage console · +18 more
Source
secalert_us@oracle.com
EPSS trend
0%48%95%30 October 2026: 92.33%30 October 202630 October 2026

EPSS 92.3% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://www.oracle.com/security-alerts/cpuapr2016v3.html; https://nvd.nist.gov/vuln/detail/CVE-2016-3427

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.