CVE-2026-33921
CVE-2026-33921: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.2
Medium [CVE-2026-33921] Information disclosure and arbitrary packet sending via insecure access restrictions
CVE-2026-33921Source published Source updated
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 being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to capture the traffic reaching the host, which discloses information belonging both to the host and to other systems on the same network segment, and to send arbitrary raw packets on that segment. Red Hat severity: Moderate — CVSS 5.2 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N). Weakness: CWE-1188.
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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