---
title: "CVE-2026-90493: Tonec Internet Download Manager - Broken Access Control"
description: "Tonec Internet Download Manager <= 6.42 Build 63 on Windows contains an improper access control vulnerability caused by an issue in the Kernel Driver component idmwfp.sys, letting local attackers gain unauthorized access, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-90493/
---

# CVE-2026-90493 Tonec Internet Download Manager - Broken Access Control

Tonec Internet Download Manager <= 6.42 Build 63 on Windows contains an improper access control vulnerability caused by an issue in the Kernel Driver component idmwfp.sys, letting local attackers gain unauthorized access, exploit requires local access.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.15% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90493)

## Details

Type

Broken Access Control

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Published

13 September 2026

Updated

15 October 2026

Weakness

[CWE-266](https://cwe.mitre.org/data/definitions/266.html)

## Vendor fix

Update to the latest version of Internet Download Manager.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-90493](https://nvd.nist.gov/vuln/detail/CVE-2026-90493)
- [https://vuldb.com/vuln/403081](https://vuldb.com/vuln/403081)
- [https://vuldb.com/vuln/403081/cti](https://vuldb.com/vuln/403081/cti)
- [https://github.com/KnCRJVirX/IDM\_LPE\_PoC/blob/main/report\_en.md](https://github.com/KnCRJVirX/IDM_LPE_PoC/blob/main/report_en.md)
- [https://github.com/KnCRJVirX/IDM\_LPE\_PoC/tree/main/poc](https://github.com/KnCRJVirX/IDM_LPE_PoC/tree/main/poc)
- [https://vuldb.com/cve/CVE-2026-90493](https://vuldb.com/cve/CVE-2026-90493)
- [https://vuldb.com/submit/891910](https://vuldb.com/submit/891910)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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