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CVE-2026-1878

MEDIUMCVSS 5.4/10EPSS 0.13%

Last modified

CVE-2026-1878 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An Insufficient Integrity Verification vulnerability in the ASUS ROG peripheral driver installation process allows privilege escalation to SYSTEM. The vulnerability is due to improper access control on the installation directory, which enables the exploitation of a race condition where the legitimate installer is substituted with an unexpected payload immediately after download, resulting in arbitrary code execution. Refer to the "Security Update for ASUS ROG peripheral driver" section on the ASUS Security Advisory for more information.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

An Insufficient Integrity Verification vulnerability in the ASUS ROG peripheral driver installation process allows privilege escalation to SYSTEM. The vulnerability is due to improper access control on the installation directory, which enables the exploitation of a race condition where the legitimate installer is substituted with an unexpected payload immediately after download, resulting in arbitrary code execution. Refer to the "Security Update for ASUS ROG peripheral driver" section on the ASUS Security Advisory for more information.

Metrics

CVSS 4.0
5.4/10

CVSS:4.0/AV:L/AC:L/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
0.13%

2.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

VendorProductVersions
ASUSDriver( Keyboard & Mouse )< 1.0.66.0
ASUSDriver( Headset )< 1.0.12.0

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-1878?
An Insufficient Integrity Verification vulnerability in the ASUS ROG peripheral driver installation process allows privilege escalation to SYSTEM. The vulnerability is due to improper access control on the installation directory, which enables the exploitation of a race condition where the legitimate installer is substituted with an unexpected payload immediately after download, resulting in arbitrary code execution. Refer to the "Security Update for ASUS ROG peripheral driver" section on the ASUS Security Advisory for more information.
How severe is CVE-2026-1878?
CVE-2026-1878 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-1878?
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