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CVE-2026-2036— GFI Archiver MArc.Store Deserialization of Untrusted Data Remote Code Execution Vulnerability

Quick assessment

Affected
GFI Archiver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GFI Archiver是GFI公司的一个电子邮件存档软件。用于保护、存储和检索您的电子通信。 GFI Archiver存在代码问题漏洞，该漏洞源于MArc.Store.Remoting.exe进程配置中缺乏对用户提供数据的验证，可能导致反序列化不可信数据和远程代码执行。

AI Predicted 8.8 Difficulty: Easy EPSS 1.23% · P68
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I. Basic Information for CVE-2026-2036

Vulnerability Information
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Vulnerability Title
GFI Archiver MArc.Store Deserialization of Untrusted Data Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
GFI Archiver 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GFI Archiver是GFI公司的一个电子邮件存档软件。用于保护、存储和检索您的电子通信。 GFI Archiver存在代码问题漏洞，该漏洞源于MArc.Store.Remoting.exe进程配置中缺乏对用户提供数据的验证，可能导致反序列化不可信数据和远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GFI Archiver 15.10 -

II. Public POCs for CVE-2026-2036

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III. Intelligence Information for CVE-2026-2036

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Same Patch Batch · GFI · 2026-02-20 · 4 CVEs total

CVE-2026-2038 GFI Archiver MArc.Core Missing Authorization Authentication Bypass Vulnerability
CVE-2026-2039 GFI Archiver MArc.Store Missing Authorization Authentication Bypass Vulnerability
CVE-2026-2037 GFI Archiver MArc.Core Deserialization of Untrusted Data Remote Code Execution Vulnerabili

IV. Related Vulnerabilities

Same product: Archiver
Same vendor: GFI
Same weakness: CWE-502

V. Comments for CVE-2026-2036

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