CVE-2025-67826: k7computing k7_ultimate_security Improper Privilege Management
Vulnerability summary
CVE-2025-67826 is a high (CVSS 7.7) Improper Privilege Management vulnerability in k7computing k7_ultimate_security. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.6% of scored vulnerabilities.
Timeline
- 22-12-2025PublishedVulnerability first disclosed.
- 22-12-2025Last modifiedVulnerability information updated.
Description
An issue was discovered in K7 Ultimate Security 17.0.2045. A Local Privilege Escalation (LPE) vulnerability in the K7 Ultimate Security antivirus can be exploited by a local unprivileged user on default installations of the product. Insecure access to a named pipe allows unprivileged users to edit any registry key, leading to a full compromise as SYSTEM.
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
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.15% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
K7computing1 product
- k7_ultimate_security17.0.2045
1 vendor · 1 product
References
2 links- www.k7computing.comProduct