{
  "id": "CVE-2015-1671",
  "url": "https://spydr.io/cve/CVE-2015-1671",
  "published": "2015-05-13T10:59:03.910Z",
  "modified": "2026-06-17T00:22:47.647Z",
  "score": 7.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "score_source": "CISA ADP",
  "epss": 0.48986,
  "epss_percentile": 0.98854,
  "exploited": true,
  "kev": {
    "added": "2022-05-25",
    "due": "2022-06-15",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Microsoft Windows Remote Code Execution Vulnerability",
    "notes": "https://nvd.nist.gov/vuln/detail/CVE-2015-1671"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "microsoft"
  ],
  "products": [
    "microsoft .net framework",
    "microsoft live meeting",
    "microsoft lync",
    "microsoft silverlight"
  ],
  "cwes": [],
  "description": "The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2; Office 2007 SP3 and 2010 SP2; Live Meeting 2007 Console; Lync 2010; Lync 2010 Attendee; Lync 2013 SP1; Lync Basic 2013 SP1; Silverlight 5 before 5.1.40416.00; and Silverlight 5 Developer Runtime before 5.1.40416.00, allows remote attackers to execute arbitrary code via a crafted TrueType font, aka \"TrueType Font Parsing Vulnerability.\"",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/74490",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id/1032281",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1671",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2015-1671",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}