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CVE-2026-90493— Tonec Internet Download Manager Kernel Driver idmwfp.sys access control

Quick assessment

Affected
Tonec Internet Download Manager
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.

在 Windows 系统上，Tonec Internet Download Manager 6.42 Build 63 及之前版本中被发现存在一个漏洞。受影响的部分是内核驱动程序组件 中的某个未知函数。该漏洞的触发源于不当的访问控制。利用此漏洞需要本地攻击环境。该漏洞的利用方式现已公开，并且可以被使用。厂商已就此披露事宜提前联系，但未收到任何回应。

CVSS 8.8 · High
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I. Basic Information for CVE-2026-90493

Vulnerability Information
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Vulnerability Title
Tonec Internet Download Manager Kernel Driver idmwfp.sys access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Tonec Internet Download Manager up to 6.42 Build 63 on Windows. The impacted element is an unknown function of the file idmwfp.sys of the component Kernel Driver. The manipulation results in improper access controls. Attacking locally is a requirement. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tonec Internet Download Manager 6.42 Build 63 cpe:2.3:a:tonec:internet_download_manager:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90493

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III. Intelligence Information for CVE-2026-90493

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Other References for CVE-2026-90493 (4)

IV. Related Vulnerabilities

Same product: Internet Download Manager
Same weakness: CWE-284

V. Comments for CVE-2026-90493

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