{
  "id": "CVE-2023-21823",
  "url": "https://spydr.io/cve/CVE-2023-21823",
  "published": "2023-02-14T21:15:12.297Z",
  "modified": "2026-08-19T17:18:20.093Z",
  "score": 7.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "microsoft.com",
  "epss": 0.05563,
  "epss_percentile": 0.92635,
  "exploited": true,
  "kev": {
    "added": "2023-02-14",
    "due": "2023-03-07",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Microsoft Windows Graphic Component Privilege Escalation Vulnerability",
    "notes": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21823; https://nvd.nist.gov/vuln/detail/CVE-2023-21823"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "Microsoft"
  ],
  "products": [
    "Microsoft Office for Android",
    "Microsoft Office for iOS",
    "Microsoft Office for Universal",
    "Microsoft Windows 10 Version 1507",
    "Microsoft Windows 10 Version 1607",
    "Microsoft Windows 10 Version 1809",
    "Microsoft Windows 10 Version 20H2",
    "Microsoft Windows 10 Version 21H2",
    "Microsoft Windows 10 Version 22H2",
    "Microsoft Windows 11 version 21H2",
    "Microsoft Windows 11 version 22H2",
    "Microsoft Windows Server 2008 Service Pack 2",
    "Microsoft Windows Server 2008 R2 Service Pack 1",
    "Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)",
    "Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)",
    "Microsoft Windows Server 2012",
    "Microsoft Windows Server 2012 (Server Core installation)",
    "Microsoft Windows Server 2012 R2",
    "Microsoft Windows Server 2012 R2 (Server Core installation)",
    "Microsoft Windows Server 2016"
  ],
  "cwes": [
    "CWE-190"
  ],
  "description": "Windows Graphics Component Remote Code Execution Vulnerability",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21823",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21823",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-21823",
  "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."
    }
  ]
}