What is CVE-2026-8148?

CVE-2026-8148 is a high-severity vulnerability in Naver Mybox Explorer, classified under Incorrect Privilege Assignment. CVSS score: 7.8/10. Published 2026-05-08.

How severe is CVE-2026-8148?

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

Privilege escalation in Naver Mybox Explorer

CVE-2026-8148

NAVER MYBOX Explorer for Windows before 3.0.11.160 allows a local attacker to escalate privileges to NT AUTHORITY\SYSTEM via registry manipulation due to improper privilege checks.

Published 2026-05-08 · 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: 0.001 (2.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Naver Mybox Explorer — versions 3.0.11.160
Navercorp Mybox

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

cve.naver.com/detail/cve-2026-8148.html (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-8148?: CVE-2026-8148 is a high-severity vulnerability in Naver Mybox Explorer, classified under Incorrect Privilege Assignment. CVSS score: 7.8/10. Published 2026-05-08.
How severe is CVE-2026-8148?: High severity. CVSS v3 base score is 7.8 out of 10.