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CVE-2018-8374

Status: ModifiedMedium (4.3)—

A tampering vulnerability exists when Microsoft Exchange Server fails to properly handle profile data, aka "Microsoft Exchange Server Tampering Vulnerability." This affects Microsoft Exchange Server.

CVSS

Exploitation probability (EPSS)

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 (1)

Microsoft — Exchange Server

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2018-8374",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft Exchange Server",
          "versions": [
            {
              "status": "affected",
              "version": "2016 Cumulative Update 10"
            },
            {
              "status": "affected",
              "version": "2016 Cumulative Update 9"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-08-15T17:29:06.800",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/104993",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1041481",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8374",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/104993",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1041481",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8374",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A tampering vulnerability exists when Microsoft Exchange Server fails to properly handle profile data, aka \"Microsoft Exchange Server Tampering Vulnerability.\" This affects Microsoft Exchange Server."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de manipulación cuando Microsoft Exchange Server no gestiona correctamente los datos del perfil. Esto también se conoce como \"Microsoft Exchange Server Tampering Vulnerability\". Esto afecta a Microsoft Exchange Server."
    }
  ],
  "lastModified": "2026-06-17T02:04:43.690",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "63E362CB-CF75-4B7E-A4B1-D6D84AFCBB68"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "69AF19DC-3D65-49A8-A85F-511085CDF27B"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}