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). 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.
- Vendor
- Oracle
- Product
- Java SE and JRockit
- CVSS
- 9.8
- EPSS (exploit probability)
- 92.3%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2016-3427 being exploited?
Yes. CISA added CVE-2016-3427 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 92.3% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply updates per vendor instructions.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Oracle Java SE CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2013-2423 Oracle JRE Unspecified Vulnerability | [ LOW ] | 3.7 | 85.2% | |
| CVE-2013-0431 Oracle JRE Sandbox Bypass Vulnerabilityransomware use | [ MEDIUM ] | 5.3 | 90.1% | |
| CVE-2013-0422 Oracle JRE Remote Code Execution Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 97.0% | |
| CVE-2010-0840 Oracle JRE Unspecified Vulnerability | [ CRITICAL ] | 9.8 | 96.3% | |
| CVE-2013-2465 Oracle Java SE Unspecified Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 98.8% | |
| CVE-2012-5076 Oracle Java SE Sandbox Bypass Vulnerability | [ CRITICAL ] | 9.8 | 91.3% | |
| CVE-2015-4902 Oracle Java SE Integrity Check Vulnerability | [ MEDIUM ] | 5.3 | 13.6% | |
| CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Vulnerability | [ CRITICAL ] | 9.8 | 25.5% |