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CVE-2026-24076— Buffer Copy Without Checking Size of Input in Bluetooth HOST

Quick assessment

Affected
Qualcomm, Inc. Snapdragon
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.

Qualcomm Chipsets是美国Qualcomm公司的一系列网络通信芯片组。 Qualcomm Chipsets存在缓冲区错误漏洞，该漏洞源于使用直接查询方法处理错误类型的注册表值时造成内存损坏。

CVSS 6.7 · Medium EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 52

VendorProduct Version RangeStatus
Qualcomm, Inc. Snapdragon AQT1000 affected
Cologne affected
FastConnect 6200 affected
FastConnect 6700 affected
FastConnect 6800 affected
FastConnect 6900 affected
FastConnect 7800 affected
QCA0000 affected
… +44 more rows
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I. Basic Information for CVE-2026-24076

Vulnerability Information
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Vulnerability Title
Buffer Copy Without Checking Size of Input in Bluetooth HOST
Source: CVE Program / CVE List V5
Vulnerability Description
Memory Corruption when processing registry values with incorrect types using a direct query method.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm Chipsets 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm Chipsets是美国Qualcomm公司的一系列网络通信芯片组。 Qualcomm Chipsets存在缓冲区错误漏洞，该漏洞源于使用直接查询方法处理错误类型的注册表值时造成内存损坏。
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
Qualcomm, Inc. Snapdragon AQT1000 -

II. Public POCs for CVE-2026-24076

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III. Intelligence Information for CVE-2026-24076

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Vendor Advisories for CVE-2026-24076 (1)

Same Patch Batch · Qualcomm, Inc. · 2026-08-04 · 11 CVEs total

CVE-2026-25289 9.6 CRITICAL Stack-based Buffer Overflow in WLAN Firmware
CVE-2026-24079 8.1 HIGH Missing Authentication for Critical Function in Data Modem
CVE-2026-24083 7.8 HIGH Untrusted Pointer Dereference in Automotive Security
CVE-2026-24080 7.8 HIGH Buffer Copy Without Checking Size of Input in Biometrics
CVE-2026-21366 7.8 HIGH Integer Overflow or Wraparound in Data Network Stack & Connectivity
CVE-2026-25292 7.6 HIGH Improper Validation of Syntactic Correctness of Input in Automotive Linux OS
CVE-2026-24084 7.5 HIGH Insecure Security Identifier Mechanism in Multi-Mode Call Processor
CVE-2026-25288 7.4 HIGH Buffer Over-read in WLAN Firmware
CVE-2026-24078 6.5 MEDIUM Exposure of Private Personal Information to an Unauthorized Actor in Data Modem
CVE-2026-24077 6.5 MEDIUM Integer Underflow (Wrap or Wraparound) in WLAN Host

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-120

V. Comments for CVE-2026-24076

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