CVE-2016-3427 Oracle Java SE and JRockit: software flaw
In plain words: A mistake in the software that attackers have found a way to abuse. Depends on the product — see the description and the vendor advisory.
Confirmed exploited by CISA on · US federal patch deadline Jun 2, 2023
What to do
- Install Oracle's security update for Java SE and JRockit. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Turn on automatic updates for the operating system and for Office, PDF and archive apps.
- Be careful with unexpected attachments — documents, .zip/.rar files and shortcuts are common bait.
- Use a normal (non-admin) account day to day and keep built-in protection like Microsoft Defender on.
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: Your files, saved passwords and accounts. Many of these let a program that is already running gain full administrator control.
The details
- Official name
- Oracle Java SE and JRockit Unspecified Vulnerability
- Product
- Oracle Java SE and JRockit
- CISA description
- 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.
- Type of flaw
- Software flaw
- Confirmed exploited
- May 12, 2023
- US federal patch deadline
- Jun 2, 2023
Ask Cleus about it
Ask about a vulnerability, an update, a weird message, or the news. Plain-word answers, free, no account.
Answering about CVE-2016-3427 ·
Questions about CVE-2016-3427
Is CVE-2016-3427 being exploited?
Yes. CISA added CVE-2016-3427 to its Known Exploited Vulnerabilities catalog on May 12, 2023, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2016-3427?
Install Oracle's security update for Java SE and JRockit. If no update exists, follow the vendor's workaround or stop using the product until one ships. Turn on automatic updates for the operating system and for Office, PDF and archive apps.
Am I affected by CVE-2016-3427?
Only if you use Oracle Java SE and JRockit. This one is aimed at devices or apps of the kind people own.