CVE-2025-58323: navercorp mybox Incorrect Privilege Assignment
Vulnerability summary
CVE-2025-58323 is a high (CVSS 7.7) Incorrect Privilege Assignment vulnerability in navercorp mybox. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3% of scored vulnerabilities.
Not severe (CVSS 7.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 29-08-2025PublishedVulnerability first disclosed.
- 29-08-2025Last modifiedVulnerability information updated.
Description
NAVER MYBOX Explorer for Windows before 3.0.8.133 allows a local attacker to escalate privileges to NT AUTHORITY\SYSTEM by executing arbitrary files due to improper privilege checks.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.7HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.14% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Navercorp1 product
- mybox< 3.0.8.133
1 vendor · 1 product
References
1 links- cve.naver.com/detail/cve-2025-58323.htmlVendor Advisory