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CVE-2026-8797

Quick assessment

Affected
NEC Corporation ExpressUpdate Agent for Windows
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.

NEC ExpressUpdate Agent for Windows是日本NEC公司的一款针对其服务器产品的更新管理代理软件。 NEC ExpressUpdate Agent for Windows 3.24及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不足，可能导致恶意用户获取产品访问权限后以SYSTEM权限执行任意代码。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.15% · P4

Affected Version Matrix 1

VendorProduct Version RangeStatus
NEC Corporation ExpressUpdate Agent for Windows 3.24 and prior affected
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I. Basic Information for CVE-2026-8797

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An access control deficiency vulnerability exists in ExpressUpdate Agent for Windows. If a malicious user gains access to the product, arbitrary code could be executed with SYSTEM privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
无充分访问控制条件下暴露IOCTL
Source: CVE Program / CVE List V5
Vulnerability Title
NEC ExpressUpdate Agent for Windows 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NEC ExpressUpdate Agent for Windows是日本NEC公司的一款针对其服务器产品的更新管理代理软件。 NEC ExpressUpdate Agent for Windows 3.24及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不足，可能导致恶意用户获取产品访问权限后以SYSTEM权限执行任意代码。
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
NEC Corporation ExpressUpdate Agent for Windows 3.24 and prior -

II. Public POCs for CVE-2026-8797

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III. Intelligence Information for CVE-2026-8797

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Vendor Advisories for CVE-2026-8797 (1)

IV. Related Vulnerabilities

Same vendor: NEC Corporation
Same weakness: CWE-782

V. Comments for CVE-2026-8797

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