Improper Access Control in ArgusMonitor.sys in Argotronic eGbR ArgusMonitor 7.4.02 and earlier allows local, low-privileged users to bypass…

published 2026-09-29 last mo. modified 2026-09-30 last mo. also EUVD-2026-89424

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

Improper Access Control in ArgusMonitor.sys in Argotronic eGbR ArgusMonitor 7.4.02 and earlier allows local, low-privileged users to bypass device handle access restrictions via a TOCTOU condition in IRP_MJ_CREATE and send a crafted IOCTL 0x9C4024A8 request, causing denial-of-service.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: last mo. (2026-09-30)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.3	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-284 Improper Access Control
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

References

connorjaydunn.github.io /blog/posts/argus-monitor-ldos-cve-2026-79417/

Sources

CVE List CVE-2026-79417
NVD CVE-2026-79417

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