7.8

CVE-2026-8148: navercorp mybox Incorrect Privilege Assignment

Analyzed
Published 08-05-2026Last modified 08-05-2026

Vulnerability summary

CVE-2026-8148 is a high (CVSS 7.8) Incorrect Privilege Assignment vulnerability in navercorp mybox. EPSS estimates a 0.09% chance of exploitation in the next 30 days, higher than 0.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.09%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 08-05-2026
    PublishedVulnerability first disclosed.
  2. 08-05-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.09%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.14% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Navercorp1 product

1 vendor · 1 product

References

1 links