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Vulnerability record · CVE-2025-67826 · published 22 December 2025

CVE-2025-67826: K7computing k7 ultimate security improper privilege management vulnerability

K7computing · K7 Ultimate Security

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.

7.7 CVSS 3.1 High EPSS 0.15% · top 96.6% CWE-269 · Improper privilege management
7.7CVSS 3.1 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.k7computing.com/index.php?/selfhelp/view-article/Advisory-issued-on-22nd-Dec-2025 Vendor Advisory
https://www.k7computing.com/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-67826), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.