Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0
view advisory published 2026-08-11
A published security advisory; the vulnerabilities below are the ones it describes.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-33921US | —OT elevated | — | ||
The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of be… | ||||
02
remediations (2)
- MitigationArc
Reinstall Npcap on the affected host with the "Restrict Npcap driver's access to Administrators only" option enabled.
- FixedArc
Upgrade Arc to v2.7.0 or later.
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