Auth bypass in K7 Security Anti-malware

CVE-2025-1055

A vulnerability in the K7RKScan.sys driver, part of the K7 Security Anti-Malware suite, allows a local low-privilege user to send crafted IOCTL requests to terminate a wide range of processes running with administrative or system-level pri…

Vulnerability class: Broken Access Control

EPSS: 0.002 (11.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-1055?
CVE-2025-1055 is a medium-severity vulnerability in K7 Security Anti-malware, classified under Missing Authorization. CVSS score: 5.6/10. Published 2025-06-11.
How severe is CVE-2025-1055?
Medium severity. CVSS v3 base score is 5.6 out of 10.
Is CVE-2025-1055 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.