Local Privilege Escalation via Race Condition in TeamViewer Patch Management for Windows

{
  "id": "3ee31b9b51ac3085a225bb8d2788d7fe48621d4c138d3f63518af020e73976df",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-111584",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Local Privilege Escalation via Race Condition in TeamViewer Patch Management for Windows",
    "summary": "A race condition in the installation process of TeamViewer Remote Management - Patch Management for Windows prior to version 26.9.1 allows a local authenticated attacker with low privileges to execute arbitrary code with elevated privileges by replacing the service executable in an insufficiently protected temporary directory during Patch Management activation.",
    "evidence": "cve:CVE-2026-111584",
    "products": [
      {
        "name": {
          "value": "TeamViewer Remote - Patch Management",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-111584",
      "aliases": [
        "CVE-2026-111584"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 7.3,
            "attackVector": "LOCAL",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "integrityImpact": "HIGH",
            "userInteraction": "REQUIRED",
            "attackComplexity": "LOW",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "confidentialityImpact": "HIGH"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "TeamViewer",
          "modules": [
            "RM_PatchManagement_Service.exe"
          ],
          "product": "TeamViewer Remote - Patch Management",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "26.9.1",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0 (Legacy version for v14.7 client)",
              "lessThan": "24.12.5 (Legacy version for v14.7 client)",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Windows"
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-27T15:18:50.953Z",
      "provider": "cve",
      "references": [
        "https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1012/"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
          "shortName": "TV",
          "dateUpdated": "2026-10-27T15:18:50.953Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111584",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 394416,
  "published_at": "2026-10-27T15:18:50.953+00:00"
}