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CVE-2026-85357

Full vulnerability record from the local CVENow database.

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Phone Service allows an authorized attacker to elevate privileges locally.

Severity
HIGH
CVSS score
7.0 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-10-13 19:20:58.480000
Last modified
2026-10-28 17:43:31.403000
View original CVE JSON
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  "id": "CVE-2026-85357",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-13T19:20:58.480",
  "lastModified": "2026-10-28T17:43:31.403",
  "vulnStatus": "Analyzed",
  "cveTags": [],
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      "value": "Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Phone Service allows an authorized attacker to elevate privileges locally."
    }
  ],
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    {
      "source": "[email protected]",
      "affectedData": [
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          "vendor": "Microsoft",
          "product": "Windows 11 version 23H2",
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        },
        {
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          "product": "Windows 11 Version 24H2",
          "platforms": [
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          "versions": [
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              "version": "10.0.26100.0",
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          "vendor": "Microsoft",
          "product": "Windows 11 Version 25H2",
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          ],
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        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2022",
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              "versionType": "custom",
              "status": "affected"
            }
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        }
      ]
    }
  ],
  "metrics": {
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      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-13T20:13:31.066432Z",
          "id": "CVE-2026-85357",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        },
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
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  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85357",
      "source": "[email protected]",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}