2026.3 HF2 Release Notes

Build Number:	2026.3.1.10 [N-central]
	2026.3.1.10 [N-central for CMMC Compliance]
Last updated:	06-Aug-2026

N-central 2026.3 Hotfix 2 – Additional Mitigation for CVE-2026-18577

This release supersedes N-central 2026.3 Hotfix 1 (build 2026.3.1.7). To find out everything contained in the 2026.3 release, click this link for the full 2026.3 release notes. For details on what else is included in this hotfix release itself, please click these release notes.

As our investigation into the recent N-central security vulnerability (CVE-2026-18577) continues, we are proactively expanding protections in response to ongoing monitoring of threat actors as they evolve their attack techniques.

This is not a duplicate of our previous communication — Hotfix 2 is required, even if you already applied the earlier hotfix. Hotfix 2 supersedes Hotfix 1 with additional hardening measures to further protect you and your customers. It is highly recommended that all partners upgrade to this hotfix ASAP.

Additional Information:

Hosted N-central – No action required

If you are on an N-central hosted instance (NCOD), mitigations have already been applied to your environment. You do not need to do anything at this time.

N-central (self-hosted) – How do I upgrade to the hotfix?

Download and upgrade to 2026.3.1.10 using the instructions provided below and on the N-able support portal. If you need assistance with the upgrade process, please contact our support team at https://me.n-able.com/s/
Upgrade Documentation: https://documentation.n-able.com/N-central/userguide/Content/ReleaseDocs/Install_Config/InstallConfig_Upgrade.htm
Upgrading from legacy versions: https://documentation.n-able.com/N-central/userguide/Content/ReleaseDocs/Release_Notes/upgrade_path.htm

Supported Upgrade Paths

Upgrade directly to 2026.3.1.10 from:

2025.4
2026.1
2026.2
2026.3
2026.3.1 (Hotfix 1)

If you are on an older version, we recommend going to any of the builds above, then upgrading to this hotfix version ASAP. If you are unsure of what to do, you can contact support directly.

Do I need to update my agents too?

While the hotfix itself does not require agents to be upgraded to protect you from CVE-2026-18577, it is still recommended that you upgrade the agent once you install the hotfix to ensure you have all the latest features and security fixes applied.

For More Information:

Support: https://me.n-able.com/s/

Uptime Page: https://uptime.n-able.com/