VMware ESXi Update Version ESXi 8.0 U3k - 25595708
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Update Summary
VMware ESXi 8.0 Update 3k (build 25595708) is a live-patchable security release that resolves CVE-2026-47876. It is a security-only image and references VMSA-2026-0006.
Update Details
Security
- Resolves CVE-2026-47876.
- Security-only image with critical severity bulletin
ESXi_8.0.3-0.102.25595708. - Live-patchable release; use Live Patch only for clusters managed with vSphere Lifecycle Manager images.
New Features
- Live patch support for this ESXi security update.
Known Issues
- If you use an RSA key size smaller than 2048 bits, RSA signature generation fails.
- VMware Host Client may show severity event descriptions that differ from IPMI or Lenovo XClarity Controller.
- vSphere Lifecycle Manager remediation on ESXi hosts with DPUs may intermittently fail after reboot due to a post-remediation scan timeout.
Hints
- The ESXi and esx-update bulletins are dependent on each other; include both in a single host patch baseline or include the rollup bulletin to avoid patching failures.
- Host reboot and VM migration or shutdown are required for vSphere Update Manager-based installation.
- Download bundle:
VMware-ESXi-8.0U3k-25595708-depot.zip. - For authenticated online and offline download details, see KBs 390121, 390098, and 389276.
Links
-
Broadcom Support Portal download access
https://support.broadcom.com/
Product Information
Vendor: VMware
Product: ESXi
Product type: Other
Platform: x86_64
Version: ESXi 8.0 U3k - 25595708
Vendor release date: Jul 29, 2026
Original release notes: View on vendor site
Published on updatealert.io: Jul 29, 2026
Description: Enterprise hypervisor for running virtual machines on server hardware.