CVE-2024-36424

MEDIUMNVD 5.55.5—Elevated

5.5

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.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 69.2%
KEV: Not listed

Published

August 6, 2024

Last Modified

March 13, 2025

References (2)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:46 UTCepss_batch
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Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-52158
First seen Apr 10, 2025
K7 Ultimate Security K7RKScan.sys 17.0.2019 - Denial Of Service (DoS)
Open source ↗
GitHub PoCsecunnix/CVE-2024-36424
First seen Aug 13, 2024
K7 Ultimate Security < v17.0.2019 "K7RKScan.sys" Null Pointer Dereference PoC
Open source ↗

Frequently asked(5)

What is CVE-2024-36424?

CVE-2024-36424 is a medium vulnerability published on August 6, 2024. 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.

When was CVE-2024-36424 disclosed?

CVE-2024-36424 was first published in the National Vulnerability Database on August 6, 2024, with the most recent update on March 13, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-36424 actively exploited?

CVE-2024-36424 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-36424?

CVE-2024-36424 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2024-36424?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-36424, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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