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CVE-2022-26910

Status: ModifiedMedium (5.3)—

Skype for Business and Lync Spoofing Vulnerability

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 — Skype FOR Business Server

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2022-26910",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-26910",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-07-17T21:05:20.440621Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/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": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Skype for Business Server 2015 CU12",
          "versions": [
            {
              "status": "affected",
              "version": "9319.0",
              "lessThan": "9319.628",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Unknown"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Skype for Business Server 2019 CU6",
          "versions": [
            {
              "status": "affected",
              "version": "2046.0",
              "lessThan": "2046.396",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Unknown"
          ]
        }
      ]
    }
  ],
  "published": "2022-04-15T19:15:15.143",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26910",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26910",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Skype for Business and Lync Spoofing Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Suplantación en Skype for Business and Lync"
    }
  ],
  "lastModified": "2026-06-17T04:36:06.127",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:skype_for_business_server:2015:cu12:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E8DAA54E-E49E-4A4D-BDF9-666D2020F0FE"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:skype_for_business_server:2019:cu6:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "63CBEA72-5EC9-4345-B430-97284F4102BF"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}