CyberSecBulletin
CVE-2026-4822NVD status: Deferred

A vulnerability was detected in Enter Software Iperius Backup up to 8.7.3.

CVE-2026-4822 is a high-severity vulnerability in Iperius Backup from Enter Software, with a CVSS 3.1 base score of 7.0 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Iperius Backup versions: 8.7.0; 8.7.1; 8.7.2, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.17% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Iperius Backup you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on github.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Enter SoftwareIperius Backup8.7.0; 8.7.1; 8.7.2; 8.7.3Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
HighSuccess depends on conditions outside the attacker's control.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (vuldb.com).

Scoring systemScoreSeverityScored by
CVSS 4.06.4MediumCNA (vuldb.com)
CVSS 3.17.0HighCNA (vuldb.com)
CVSS 2.06.0MediumCNA (vuldb.com)

Official description

A vulnerability was detected in Enter Software Iperius Backup up to 8.7.3. Affected is an unknown function of the file C:\ProgramData\IperiusBackup\Jobs\ of the component Backup Service. Performing a manipulation results in creation of temporary file with insecure permissions. The attack is only possible with local access. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The exploit is now public and may be used. Upgrading to version 8.7.4 is able to address this issue. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Iperius Backup

All Iperius Backup vulnerabilities

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