CVE-2026-8797
Possible ATT&CK Techniques 2AI
T1548 · Abuse Elevation Control Mechanism T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-8797 (1)
IV. Related Vulnerabilities
Same weakness: CWE-782
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GIGABYTE｜Gigabyte Control Center - Improper Access Control - CVE-2026-57851
MSI KernCoreLib64.sys Privilege Escalation via IOCTL Handler - CVE-2026-56129
Dynabook Generic IO & Memory Access driver 权限许可和访问控制问题漏洞 - CVE-2025-15641
Netskope Client Exposed IOCTL with Insufficient Access Contr
V. Comments for CVE-2026-8797
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