Is CVE-2026-1878 in the CISA KEV catalog?

No. CVE-2026-1878 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2026-1878?

CVE-2026-1878 has an EPSS score of 0.13% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-1878?

No published fix for CVE-2026-1878 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-1878

UNSCORED

NVD

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.

CWE-494

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Other references1

asus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-12.