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CVE-2026-15515

Full vulnerability record from the local CVENow database.

Description

A security vulnerability has been detected in Tencent PC Manager 18.1.30242.301. This issue affects some unknown processing in the library qmudisk64.sys of the component QMUDisk Driver. The manipulation leads to uncontrolled search path. The attack must be carried out locally. The attack is considered to have high complexity. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity
MEDIUM
CVSS score
6.4 (v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-07-13 01:17:04.580000
Last modified
2026-10-24 22:10:00.210000
View original CVE JSON
{
  "id": "CVE-2026-15515",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-13T01:17:04.580",
  "lastModified": "2026-10-24T22:10:00.210",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security vulnerability has been detected in Tencent PC Manager 18.1.30242.301. This issue affects some unknown processing in the library qmudisk64.sys of the component QMUDisk Driver. The manipulation leads to uncontrolled search path. The attack must be carried out locally. The attack is considered to have high complexity. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de seguridad ha sido detectada en Tencent PC Manager 18.1.30242.301. Este problema afecta a algún procesamiento desconocido en la biblioteca qmudisk64.sys del componente QMUDisk Driver. La manipulación conduce a una ruta de búsqueda incontrolada. El ataque debe ser llevado a cabo localmente. El ataque se considera de alta complejidad. La explotabilidad se evalúa como difícil. El exploit ha sido divulgado públicamente y puede ser utilizado. El proveedor fue contactado tempranamente sobre esta divulgación pero no respondió de ninguna manera."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Tencent",
          "product": "PC Manager",
          "cpes": [
            "cpe:2.3:a:tencent:pc_manager:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "QMUDisk Driver"
          ],
          "versions": [
            {
              "version": "18.1.30242.301",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "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
      }
    ],
    "cvssMetricV2": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:H/Au:S/C:C/I:C/A:C",
          "baseScore": 6.0,
          "accessVector": "LOCAL",
          "accessComplexity": "HIGH",
          "authentication": "SINGLE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 1.5,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-15T15:34:25.739105Z",
          "id": "CVE-2026-15515",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-426"
        },
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/subsubsub1231/qmukiller",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-15515",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/submit/848643",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/377844",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/377844/cti",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/submit/848643",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}