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CVE-2018-8445

Status: ModifiedMedium (5.5)—
Severity5.5Medium · CVSS 3.0
Exploitation probability2.78 %higher than 86% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8336, CVE-2018-8419, CVE-2018-8442, CVE-2018-8443, CVE-2018-8446.

CVSS

Base score
5.5
Version
3.0
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
2.78 %
Percentile among all scored CVEs
86
Score date
10/22/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Microsoft — Windows 10Microsoft — Windows Server

CWEs

References

Show 6 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2018-8445",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Windows 10",
          "versions": [
            {
              "status": "affected",
              "version": "Version 1803 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "Version 1803 for x64-based Systems"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Servers",
          "versions": [
            {
              "status": "affected",
              "version": "version 1803  (Server Core Installation)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-09-13T00:29:04.943",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/105225",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1041635",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8445",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/105225",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1041635",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8445",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka \"Windows Kernel Information Disclosure Vulnerability.\" This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8336, CVE-2018-8419, CVE-2018-8442, CVE-2018-8443, CVE-2018-8446."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de divulgación de información cuando el kernel de Windows gestiona incorrectamente los objetos en la memoria. Esto también se conoce como \"Windows Kernel Information Disclosure Vulnerability\". Esto afecta a Windows 10 y Windows 10 Servers. El ID de este CVE es diferente de CVE-2018-8336, CVE-2018-8419, CVE-2018-8442, CVE-2018-8443 y CVE-2018-8446."
    }
  ],
  "lastModified": "2026-06-17T02:04:53.450",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7CB85C75-4D35-480E-843D-60579EC75FCB"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server:1803:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2E732950-9F4C-434F-92EF-C1421CA35ADF"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}