# I have a ELK Cluster 7.17.3 and I have installed bundled JDK 18+36.. if i need to upgrade JDK to higher version is it compatible with my 7.17.3 version

**URL:** <https://discuss.elastic.co/t/i-have-a-elk-cluster-7-17-3-and-i-have-installed-bundled-jdk-18-36-if-i-need-to-upgrade-jdk-to-higher-version-is-it-compatible-with-my-7-17-3-version/333782>\
**Category:** Elasticsearch\
**Created:** [May 18, 2023, 3:44pm UTC](https://discuss.elastic.co/t/i-have-a-elk-cluster-7-17-3-and-i-have-installed-bundled-jdk-18-36-if-i-need-to-upgrade-jdk-to-higher-version-is-it-compatible-with-my-7-17-3-version/333782 "2023-05-18T15:44:17Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![AKAM14](https://avatars.discourse-cdn.com/v4/letter/a/7bcc69/32.png) [@AKAM14](https://discuss.elastic.co/u/AKAM14)\
**Post date:** [May 18, 2023, 3:44pm UTC](https://discuss.elastic.co/t/i-have-a-elk-cluster-7-17-3-and-i-have-installed-bundled-jdk-18-36-if-i-need-to-upgrade-jdk-to-higher-version-is-it-compatible-with-my-7-17-3-version/333782/1 "2023-05-18T15:44:17Z")

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Hi All,

I have a ELK Stack 7.17.3 installed on a Windows 2019 server with bundled JDK 18 +36 .  
Since there is a vulnerability in JDK 18, can i upgrade the jdk to open jdk 18.0.1 will this impact my ELK Stack .  
Thanks,  
Ak

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**Author:** ![DavidTurner](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/davidturner/32/22453_2.png) [@DavidTurner](https://discuss.elastic.co/u/DavidTurner)\
**Post date:** [May 20, 2023, 10:34am UTC](https://discuss.elastic.co/t/i-have-a-elk-cluster-7-17-3-and-i-have-installed-bundled-jdk-18-36-if-i-need-to-upgrade-jdk-to-higher-version-is-it-compatible-with-my-7-17-3-version/333782/2 "2023-05-20T10:34:40Z")

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We recommend you stick to the bundled version, so you should upgrade the whole stack to pick up the newer JDK.

Note that vulnerabilities in dependencies are only relevant if Elasticsearch uses the vulnerable feature in the dependency, which it often doesn't. See [this page](https://www.elastic.co/community/security) for known vulnerabilities (including those in dependencies) and for instructions about how to report a new vulnerability.

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**Author:** ![AKAM14](https://avatars.discourse-cdn.com/v4/letter/a/7bcc69/32.png) [@AKAM14](https://discuss.elastic.co/u/AKAM14)\
**Post date:** [May 22, 2023, 1:49am UTC](https://discuss.elastic.co/t/i-have-a-elk-cluster-7-17-3-and-i-have-installed-bundled-jdk-18-36-if-i-need-to-upgrade-jdk-to-higher-version-is-it-compatible-with-my-7-17-3-version/333782/3 "2023-05-22T01:49:25Z")

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ok thanks for your response..

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [June 19, 2023, 1:49am UTC](https://discuss.elastic.co/t/i-have-a-elk-cluster-7-17-3-and-i-have-installed-bundled-jdk-18-36-if-i-need-to-upgrade-jdk-to-higher-version-is-it-compatible-with-my-7-17-3-version/333782/4 "2023-06-19T01:49:47Z")

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