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CVE-2026-33921 Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0

🗓️ 11 Aug 2026 09:48:20Reported by NozomiType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Arc before v2.7.0 installs Npcap with insecure default, allowing local users to capture traffic and inject raw packets.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-33921
11 Aug 202609:48
attackerkb
circl
Circl
CVE-2026-33921
11 Aug 202610:56
circl
cve
CVE
CVE-2026-33921
11 Aug 202609:48
cve
euvd
EUVD
EUVD-2026-55995
11 Aug 202609:48
euvd
nozomi
NOZOMI
Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0
11 Aug 202600:00
nozomi
nvd
NVD
CVE-2026-33921
11 Aug 202610:17
nvd
ptsecurity
Positive Technologies
PT-2026-35367
27 Apr 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-33921 Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0
11 Aug 202609:48
vulnrichment
[
  {
    "vendor": "Nozomi Networks",
    "product": "Arc",
    "platforms": [
      "Windows"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.7.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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