{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2013-3893",
  "revision": 1,
  "title": "Internet Explorer — mouse capture use-after-free (2013)",
  "summary": "Internet Explorer 6 through 11 use memory after releasing it in the mouse capture path of their rendering engine, so crafted script on a page runs the attacker's code. It was exploited before the fix shipped.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 8.8,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.85813,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2025-08-12",
    "prerequisites": "The user must open an attacker-controlled page in Internet Explorer 6 through 11."
  },
  "remediation": {
    "patch_available": true,
    "workaround_available": true
  },
  "mitre_attack": [
    "T1203"
  ],
  "kill_chain": "execution",
  "recommended_action": "Retire Internet Explorer — it is end-of-life; the MS13-080 update and the interim workaround were the only fixes ever offered.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2013-3893",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2013-3893",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2013-3893",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-3893",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "vendor_advisory",
      "url": "http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx"
    },
    {
      "type": "vendor_advisory",
      "url": "http://technet.microsoft.com/security/advisory/2887505"
    },
    {
      "type": "vendor_advisory",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080"
    }
  ],
  "published_at": "2013-09-18T10:08:24.867Z",
  "issued_at": "2026-09-24T08:51:39.744Z",
  "tags": [
    "microsoft",
    "internet-explorer",
    "use-after-free",
    "legacy",
    "kev"
  ]
}