# May 2026 Updates #3 for XCP-ng 8.3 LTS

DevFeed: [May 2026 Updates #3 for XCP-ng 8.3 LTS](<https://devfeed.tech/articles/may-2026-updates-3-for-xcp-ng-8-3-lts-12817.md>)

Original publisher: [Read original article](<https://xcp-ng.org/blog/2026/05/21/may-2026-updates-3-for-xcp-ng-8-3-lts/>)

Author: Samuel Verschelde

Published: 2026-05-21T15:29:19Z

Content type: news

Language: en

Sources: [XCP-ng Blog](<https://devfeed.tech/sources/xcp-ng-blog.md>)

Topics: [Security](<https://devfeed.tech/topics/security.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [Kernel](<https://devfeed.tech/topics/kernel.md>), [cpu](<https://devfeed.tech/topics/cpu.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [bugfixes](<https://devfeed.tech/tags/bugfixes.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [cve](<https://devfeed.tech/tags/cve.md>), [exploits](<https://devfeed.tech/tags/exploits.md>), [firmware](<https://devfeed.tech/tags/firmware.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [improvements](<https://devfeed.tech/tags/improvements.md>), [intel](<https://devfeed.tech/tags/intel.md>), [linux-kernel](<https://devfeed.tech/tags/linux-kernel.md>), [lts](<https://devfeed.tech/tags/lts.md>), [security](<https://devfeed.tech/tags/security.md>), [update](<https://devfeed.tech/tags/update.md>), [updates](<https://devfeed.tech/tags/updates.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

## AI overview

XCP-ng 8.3 LTS receives security and maintenance updates addressing vulnerabilities in Xen and the Linux kernel, including CPU opcode caching and local privilege-escalation issues. The update also includes Intel microcode, firmware guidance, storage and Xen bug fixes, NUMA fixes, and dependency upgrades.

## Source excerpt

New security and maintenance updates are available for XCP-ng 8.3 LTS. Xen, Linux kernel, Intel Microcode...