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CVE-2026-3428

MEDIUMCVSS 5.4/10EPSS 0.07%

Last modified

CVE-2026-3428 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A Download of Code Without Integrity Check vulnerability in the update modules in ASUS Member Center(华硕大厅) allows a local user to achieve privilege escalation to Administrator via exploitation of a Time-of-check Time-of-use (TOC-TOU) during the update process, where an unexpected payload is substituted for a legitimate one immediately after download, and subsequently executed with administrative privileges upon user consent. Refer to the 'Security Update for ASUS Member Center' section on the ASUS Security Advisory for more information.. EPSS estimates a 0.07% chance of exploitation in the next 30 days.

Description

A Download of Code Without Integrity Check vulnerability in the update modules in ASUS Member Center(华硕大厅) allows a local user to achieve privilege escalation to Administrator via exploitation of a Time-of-check Time-of-use (TOC-TOU) during the update process, where an unexpected payload is substituted for a legitimate one immediately after download, and subsequently executed with administrative privileges upon user consent. Refer to the 'Security Update for ASUS Member Center' section on the ASUS Security Advisory for more information.

Metrics

CVSS 4.0
5.4/10

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.07%

0.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
ASUSMember Center(华硕大厅)1.6.6.4 and earlier

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-3428?
A Download of Code Without Integrity Check vulnerability in the update modules in ASUS Member Center(华硕大厅) allows a local user to achieve privilege escalation to Administrator via exploitation of a Time-of-check Time-of-use (TOC-TOU) during the update process, where an unexpected payload is substituted for a legitimate one immediately after download, and subsequently executed with administrative privileges upon user consent. Refer to the 'Security Update for ASUS Member Center' section on the ASUS Security Advisory for more information.
How severe is CVE-2026-3428?
CVE-2026-3428 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.07% probability of exploitation in the next 30 days.
How do I fix CVE-2026-3428?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST