{
  "cveId": "CVE-2023-31096",
  "url": "https://patchblox.com/security/cve/CVE-2023-31096",
  "summary": "CVE-2023-31096 is fixed in 35 products on 1 platform, first by KB5073722, released January 13, 2026. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.",
  "title": "MITRE: CVE-2023-31096 Windows Agere Soft Modem Driver Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EMicrosoft is aware of vulnerabilities in the third party Agere Soft Modem drivers that ship natively with supported Windows operating systems. This is an announcement of the removal of agrsm64.sys and agrsm.sys drivers. The drivers have been removed in the January 2026 cumulative update.\u003C/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ESoft modem hardware dependent on these specific drivers will no longer work on Windows.\u003C/strong\u003E\u003C/p\u003E\n\u003Cp\u003EMicrosoft recommends removing any existing dependencies on this hardware.\u003C/p\u003E\n\u003Cp\u003EThis vulnerability was documented in 2023 via a \u003Ca href=\u0022https://www.cve.org/CVERecord?id=CVE-2023-31096\u0022\u003ECVE-2023-31096\u003C/a\u003E issued by MITRE.\u003C/p\u003E",
  "published": "2026-01-13T08:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "cwe": "Stack-based Buffer Overflow",
  "epss": 0.00482,
  "epssPercentile": 0.41816,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": true,
  "exploitabilityAssessment": "Exploitation More Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-31096",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.8783",
      "fix": "KB5073722",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073722",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.8783",
      "fix": "KB5073722",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073722",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.8276",
      "fix": "KB5073723",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073723",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.8276",
      "fix": "KB5073723",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073723",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5073724",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073724",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5073724",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073724",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5073724",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073724",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5073724",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073724",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5073724",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073724",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5073724",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073724",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "22631.6491",
      "fix": "KB5073455",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073455",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "22631.6491",
      "fix": "KB5073455",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073455",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5074109",
      "url": "https://patchblox.com/security/fix/microsoft/kb5074109",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5074109",
      "url": "https://patchblox.com/security/fix/microsoft/kb5074109",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 25H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5074109",
      "url": "https://patchblox.com/security/fix/microsoft/kb5074109",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 25H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5074109",
      "url": "https://patchblox.com/security/fix/microsoft/kb5074109",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5073699",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073699",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5073695",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073695",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5073699",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073699",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5073695",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073695",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5073700",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073700",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5073697",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073697",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5073700",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073700",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5073697",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073697",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5073700",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073700",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB5073697",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073697",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5073700",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073700",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5073697",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073697",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5073698",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073698",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5073698",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073698",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5073696",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073696",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5073696",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073696",
      "released": "2026-01-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.8783",
      "fix": "KB5073722",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073722",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.8783",
      "fix": "KB5073722",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073722",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.8276",
      "fix": "KB5073723",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073723",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.8276",
      "fix": "KB5073723",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073723",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.4648",
      "fix": "KB5073457",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073457",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.4648",
      "fix": "KB5073457",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073457",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.2092",
      "fix": "KB5073450",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073450",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.32230",
      "fix": "KB5073379",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073379",
      "released": "2026-01-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.32230",
      "fix": "KB5073379",
      "url": "https://patchblox.com/security/fix/microsoft/kb5073379",
      "released": "2026-01-13T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}