CVE-2026-79417CWE-284CWE-367broken-access-control

CVE-2026-79417

Medium · published September 30, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
16.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00258 · 16.5th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2026-09-30T00:17Z
References (1)
https://connorjaydunn.github.io/blog/posts/argus-monitor-ldos-cve-2026-79417/ · [email protected]
EPSS history
Timeline
  • 01 OCT 03:49Z
    EPSS moved — → 0%
    epss
  • 29 SEP 00:00Z
    Improper Access Control in ArgusMonitor.sys in Argotronic eGbR ArgusMonitor 7.4.02 and earlier allows local, low-privileged users to bypass device handle…
    cvelistv5