CVE-2026-4823 Enter Software Iperius Backup NTLM2 information disclosure
A local attacker can exploit a flaw in the NTLM2 handler to disclose sensitive information, requiring complex execution steps.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4823?
CVE-2026-4823 is a low-severity vulnerability in Enter Software Iperius Backup, published on 25 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in Enter Software Iperius Backup up to 8.7.3. Affected by this vulnerability is an unknown functionality of the component NTLM2 Handler. Executing a manipulation can lead to information disclosure. The attack is restricted to local execution. Attacks of this nature are highly complex. The exploitation appears to be difficult. The exploit has been published and may be used. Upgrading to version 8.7.4 addresses this issue. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Which versions are affected by CVE-2026-4823?
How do I fix CVE-2026-4823?
No fix has been published for CVE-2026-4823 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-4823 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4823 exists.
Sources
Also known as GHSA-qj4q-79hc-9854.