Vulnerability · Published Mar 25, 2026 · Assigned by VulDB
CVE-2026-4822Enter Software Iperius Backup Backup Service temp file
High 7.0
In plain English
A high-severity security flaw in Iperius Backup from Enter Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Enter Software | Iperius Backup | 8.7.08.7.18.7.28.7.3 |
Weakness: CWE-378, CWE-377 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
References
- VDB-353122 | Enter Software Iperius Backup Backup Service temp file vdb-entry
- VDB-353122 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #774209 | Enter Software Iperius Backup <= 8.7.2 Creation of Temporary File in Directory with Insecure Permission third-party-advisory
- https://github.com/0truust/iperius-backup-security-advisories/blob/main/advisories/arbitrary-file-disclosure.md exploit
- https://www.iperiusbackup.com/download-software-backup.aspx patch