CVE-2026-2036

HIGH 8.8

GFI Archiver MArc.Store Deserialization of Untrusted Data Remote Code Execution Vulnerability

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

GFI Archiver MArc.Store Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GFI Archiver. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the configuration of the MArc.Store.Remoting.exe process. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-27936.

CWE	CWE-502
Vendor	gfi
Product	archiver
Published	Feb 20, 2026
Last Updated	Feb 24, 2026

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CVSS v3 Breakdown

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Versions

GFI / Archiver

15.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

zerodayinitiative.com: https://www.zerodayinitiative.com/advisories/ZDI-26-076/