K7RKScan.sys in K7 Ultimate Security before 17.0.2019 allows local users to cause a denial of service (BSOD) because of a NULL pointer dere…

published 2024-08-06 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-36077

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 1; Exploit-DB

K7RKScan.sys in K7 Ultimate Security before 17.0.2019 allows local users to cause a denial of service (BSOD) because of a NULL pointer dereference.

Patch / fix

fixed in 1

k7computing k7_ultimate_security 17.0.2019

Timeline

2024-08-06 Published
2025-04-10 First public exploit (EDB-52158)

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-08-08)

Exploit prediction

0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-52158 K7 Ultimate Security K7RKScan.sys 17.0.2019 - Denial Of Service (DoS) remote, 2025-04-10

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

support.k7computing.com /index.php?/selfhelp/view-article/Advisory-issued-on-5th-aug-2024-417
vendor-advisory
k7computing.com /
product

Sources

CVE List CVE-2024-36424
NVD CVE-2024-36424

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary