EUVD Vulnerability Catalog

EUVD-2026-76938

Severity: CRITICAL Base Score: 9.3 CVSS Version: 4.0

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.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

▪ Attack Vector (AV): Local

▪ Attack Complexity (AC): Low

▪ Attack Requirements (AT): None

▪ Privileges Required (PR): Low

▪ User Interaction (UI): None

▪ Vulnerability Confidentiality Impact (VC): High

▪ Vulnerability Integrity Impact (VI): High

▪ Vulnerability Availability Impact (VA): High

▪ Subsequent Confidentiality Impact (SC): High

▪ Subsequent Integrity Impact (SI): High

▪ Subsequent Availability Impact (SA): High

▪ E: P

Affected Vendors & Systems

Vendor Tonec

References & Advisory Links

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

VulDB

EPSS Probability

Known Aliases

GHSA-h6w4-32pj-q5p4 CVE-2026-90493

Published On

2026-09-13

Last Updated

2026-09-13