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CVE-2026-15476— QILING Disk Master Kernel Driver diskbckp.sys access control

Quick assessment

Affected
QILING Disk Master
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QILING Disk Master是中国QILING公司的一款集数据备份、灾难恢复、磁盘分区管理和系统迁移于一体的综合性实用软件。 QILING Disk Master 6.0.0.0版本存在权限许可和访问控制问题漏洞，该漏洞源于Kernel Driver组件的diskbckp.sys库中未知函数存在访问控制不当问题，可能导致本地攻击者进行权限提升。

CVSS 5.3 · Medium EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
QILING Disk Master 6.0.0.0 affected
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I. Basic Information for CVE-2026-15476

Vulnerability Information
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Vulnerability Title
QILING Disk Master Kernel Driver diskbckp.sys access control
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in QILING Disk Master 6.0.0.0. The impacted element is an unknown function in the library diskbckp.sys of the component Kernel Driver. Such manipulation leads to improper access controls. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. It is suggested to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
QILING Disk Master 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QILING Disk Master是中国QILING公司的一款集数据备份、灾难恢复、磁盘分区管理和系统迁移于一体的综合性实用软件。 QILING Disk Master 6.0.0.0版本存在权限许可和访问控制问题漏洞，该漏洞源于Kernel Driver组件的diskbckp.sys库中未知函数存在访问控制不当问题，可能导致本地攻击者进行权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
QILING Disk Master 6.0.0.0 cpe:2.3:a:qiling:disk_master:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15476

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III. Intelligence Information for CVE-2026-15476

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Security Blog Posts for CVE-2026-15476 (1)

Other References for CVE-2026-15476 (1)

IV. Related Vulnerabilities

Same weakness: CWE-284

V. Comments for CVE-2026-15476

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