Information disclosure in Enter Software Iperius Backup
CVE-2026-4823
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (2.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Enter Software Iperius Backup — versions 8.7.0, 8.7.1, 8.7.2
Weakness classification (CWE)
References
- vuldb.com/ (vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/0truust/iperius-backup-security-advisories/blob/main/advisories/ntlm… (exploit)
- www.iperiusbackup.com/download-software-backup.aspx (patch)
Frequently asked questions
- What is CVE-2026-4823?
- CVE-2026-4823 is a low-severity vulnerability in Enter Software Iperius Backup, classified under Information Disclosure. CVSS score: 2.5/10. Published 2026-03-25.
- How severe is CVE-2026-4823?
- Low severity. CVSS v3 base score is 2.5 out of 10.