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CVE-2026-49494 Xcitium Client Security / Comodo Internet Security Remote Denial of Service

🗓️ 07 Jun 2026 12:08:59Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 72 Views

Remote attacker can crash Windows via IPv6 integer underflow in Inspect.sys, causing a blue screen.

Related
Affected
Refs
[
  {
    "vendor": "Xcitium (formerly Comodo Security Solutions)",
    "product": "Comodo Internet Security",
    "modules": [
      "Inspect.sys"
    ],
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "12.3.4.8162",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "Xcitium",
    "product": "Xcitium Client Security (XCS)",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThan": "13.8.2.10019"
      }
    ]
  }
]

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