CVE-2026-16742

{
  "id": "CVE-2026-16742",
  "sourceIdentifier": "98a521c5-3a3e-4e2b-bc27-002067e0463c",
  "published": "2026-08-10T14:17:21.277",
  "lastModified": "2026-10-23T20:10:00.160",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged in, homed-managed user"
    },
    {
      "lang": "es",
      "value": "systemd-homed contiene un error de escalada de privilegios local a través de la adición arbitraria de grupos del sistema a un usuario local, que ha iniciado sesión y es gestionado por homed."
    }
  ],
  "affected": [
    {
      "source": "98a521c5-3a3e-4e2b-bc27-002067e0463c",
      "affectedData": [
        {
          "vendor": "systemd",
          "product": "systemd-homed",
          "defaultStatus": "unaffected",
          "platforms": [
            "Linux"
          ],
          "repo": "https://github.com/systemd/systemd",
          "versions": [
            {
              "version": "245",
              "lessThan": "262, 261.2, 260.4, 259.8, 258.10",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "98a521c5-3a3e-4e2b-bc27-002067e0463c",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-10T15:48:50.415136Z",
          "id": "CVE-2026-16742",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        },
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/systemd/systemd/security/advisories/GHSA-jm29-p7hh-vjhv",
      "source": "98a521c5-3a3e-4e2b-bc27-002067e0463c"
    }
  ]
}