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Vulnerabilities

Vulnerability · CVE-2026-2036

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

Published Feb 20, 2026 · catalog updated Jun 17, 2026 · GFI Archiver MArc.Store Deserialization

Check if you run it

No confirmed exploitation is on record for CVE-2026-2036. EPSS is 1.26%. Act only if a listed version of GFI Archiver MArc.Store Deserialization is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (GFI Archiver MArc.Store Deserialization).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.26%
Remediation
Advisory link
Affected products
cpe gfi/archiver

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe gfi/archiver15.10

How to fix CVE-2026-2036

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-2036. EPSS is 1.26%. Act only if a listed version of GFI Archiver MArc.Store Deserialization is installed.

Which versions are affected?

Compare what you have installed with 15.10. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 1.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 20, 2026 · NIST NVD

    Detected

    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.Rem

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.Rem

Sources

  • CVE.orgVulnerability recordCVE-2026-2036

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-2036

    30-day exploitation probability 1.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-2036

    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 ex

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.