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CVE-2026-44278

Quick assessment

Affected
Fortinet FortiClientWindows
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.

Fortinet FortiClientWindows是美国飞塔（Fortinet）公司的一套基于Windows平台的移动终端安全解决方案。该方案与FortiGate防火墙设备连接时可提供IPsec和SSL加密、广域网优化、终端合规和双因子认证等功能。 Fortinet FortiClientWindows 7.4.0至7.4.2版本和7.2所有版本存在安全漏洞，该漏洞源于使用硬编码加密密钥，可能导致信息泄露。

CVSS 2.1 · Low EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys

Affected Version Matrix 2

VendorProduct Version RangeStatus
Fortinet FortiClientWindows 7.4.0≤ 7.4.2 affected
7.2.0≤ 7.2.14 affected
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I. Basic Information for CVE-2026-44278

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.2, FortiClientWindows 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiClientWindows 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiClientWindows是美国飞塔（Fortinet）公司的一套基于Windows平台的移动终端安全解决方案。该方案与FortiGate防火墙设备连接时可提供IPsec和SSL加密、广域网优化、终端合规和双因子认证等功能。 Fortinet FortiClientWindows 7.4.0至7.4.2版本和7.2所有版本存在安全漏洞，该漏洞源于使用硬编码加密密钥，可能导致信息泄露。
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
Fortinet FortiClientWindows 7.4.0 ~ 7.4.2 cpe:2.3:a:fortinet:forticlientwindows:7.4.2:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-44278

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III. Intelligence Information for CVE-2026-44278

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Vendor Advisories for CVE-2026-44278 (1)

Same Patch Batch · Fortinet · 2026-05-12 · 11 CVEs total

CVE-2026-26083 9.1 CRITICAL Fortinet FortiSandbox 安全漏洞
CVE-2026-44277 9.1 CRITICAL Fortinet FortiAuthenticator 访问控制错误漏洞
CVE-2025-53844 8.3 HIGH Fortinet FortiOS 缓冲区错误漏洞
CVE-2025-53870 6.5 MEDIUM Fortinet FortiAP 操作系统命令注入漏洞
CVE-2025-53681 6.3 MEDIUM Fortinet FortiMail SQL注入漏洞
CVE-2025-53680 6.1 MEDIUM Fortinet FortiAP 操作系统命令注入漏洞
CVE-2025-67604 5.2 MEDIUM Fortinet FortiAnalyzer 安全漏洞
CVE-2026-25088 5.1 MEDIUM Fortinet FortiNDR SQL注入漏洞
CVE-2026-44279 5.0 MEDIUM Fortinet FortiTokenAndroid 安全漏洞
CVE-2026-25690 4.0 MEDIUM Fortinet FortiDeceptor 参数注入漏洞

IV. Related Vulnerabilities

Same product: FortiClientWindows
Same vendor: Fortinet
Same weakness: CWE-321

V. Comments for CVE-2026-44278

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