What is CVE-2022-42455?

CVE-2022-42455 is a high-severity vulnerability in ASUS Armoury Crate, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-02-15.

How severe is CVE-2022-42455?

High severity. CVSS v3 base score is 7.8 out of 10.

Privilege escalation in ASUS Armoury Crate

CVE-2022-42455

ASUS EC Tool driver (aka d.sys) 1beb15c90dcf7a5234ed077833a0a3e900969b60be1d04fcebce0a9f8994bdbb, as signed by ASUS and shipped with multiple ASUS software products, contains multiple IOCTL handlers that provide raw read and write access to port I/O and MSRs via unprivileged IOCTL calls. Local users can gain privileges.

Vulnerability class: Privilege Escalation

Published 2023-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.1th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

ASUS Armoury Crate

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0003.md (Third Party Advisory)

Frequently asked questions

What is CVE-2022-42455?: CVE-2022-42455 is a high-severity vulnerability in ASUS Armoury Crate, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-02-15.
How severe is CVE-2022-42455?: High severity. CVSS v3 base score is 7.8 out of 10.