CVE-2026-15515 (GCVE-0-2026-15515)

Vulnerability from cvelistv5 – Published: 2026-07-13 00:00 – Updated: 2026-07-13 00:00
VLAI
Title
Tencent PC Manager QMUDisk Driver qmudisk64.sys uncontrolled search path
Summary
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
7.3 (High)
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
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
7 (High)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CWE
Assigner
References
Impacted products
Vendor Product Version
Tencent PC Manager Affected: 18.1.30242.301
    cpe:2.3:a:tencent:pc_manager:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
ukpkmkkkkk (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:tencent:pc_manager:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "QMUDisk Driver"
          ],
          "product": "PC Manager",
          "vendor": "Tencent",
          "versions": [
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              "version": "18.1.30242.301"
            }
          ]
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      ],
      "credits": [
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          "type": "reporter",
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        }
      ],
      "metrics": [
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          "tags": [
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          "url": "https://vuldb.com/vuln/377844"
        },
        {
          "name": "VDB-377844 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
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          "url": "https://vuldb.com/vuln/377844/cti"
        },
        {
          "name": "CVE-2026-15515 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-15515"
        },
        {
          "name": "Submit #848643 | Tencent PC Manager 18,1,30242,301 Improper Access Controls",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/848643"
        },
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          "url": "https://github.com/subsubsub1231/qmukiller"
        }
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          "lang": "en",
          "time": "2026-07-12T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "time": "2026-07-12T02:00:00.000Z",
          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2026-07-12T13:07:09.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "Tencent PC Manager QMUDisk Driver qmudisk64.sys uncontrolled search path"
    }
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  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-15515",
    "datePublished": "2026-07-13T00:00:10.627Z",
    "dateReserved": "2026-07-12T11:02:05.805Z",
    "dateUpdated": "2026-07-13T00:00:10.627Z",
    "state": "PUBLISHED"
  },
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.