CVE-2025-1055: K7 Security Anti-Malware · Missing Authorization
Affects K7 Security Anti-MalwareSource CVE Database V5
Not known to be exploited · CVSS 5.6 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 10 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| K7 Security K7 Security Anti-Malware | Affected
| Fixed in– |
AI-suggested
Given the vulnerability stems from missing authorization checks in a kernel-mode driver, the primary mitigation is to apply vendor patches once available. Until patches are released, organizations should implement strict local user account management to minimize the number of users with local access, especially those with low privileges on systems running K7 Security Anti-Malware. Employing application whitelisting and endpoint detection and response (EDR) solutions can help detect anomalous IOCTL calls or process terminations. Restricting physical and remote access to endpoints reduces the attack surface. Monitoring system logs for unexpected process terminations or driver IOCTL activity can provide early warning signs. Additionally, consider deploying alternative or supplementary endpoint protection solutions that do not exhibit this vulnerability. Coordination with K7 Security for timely updates and advisories is critical. Finally, organizations should review and harden local privilege escalation protections and ensure robust backup and recovery procedures to mitigate potential denial of service impacts.
Description
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 privileges, with the exception of those inherently protected by the operating system. This flaw stems from missing access control in the driver's IOCTL handler, enabling unprivileged users to perform privileged actions in kernel space. Successful exploitation can lead to denial of service by disrupting critical services or privileged applications.