CVE-2026-25260— Time-of-check Time-of-use (TOCTOU) Race Condition in DSP Service
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是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets存在安全漏洞，该漏洞源于访问共享缓冲区时未验证并发用户模式输入修改。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 19
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon | Cologne |
affected |
FastConnect 6900 |
affected | ||
FastConnect 7800 |
affected | ||
QCA0000 |
affected | ||
SC8380XP |
affected | ||
WCD9378C |
affected | ||
WCD9380 |
affected | ||
WCD9385 |
affected | ||
| … +11 more rows | |||
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I. Basic Information for CVE-2026-25260
Vulnerability Information
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Vulnerability Title
Time-of-check Time-of-use (TOCTOU) Race Condition in DSP Service
Source: CVE Program / CVE List V5
Vulnerability Description
Memory Corruption when accessing shared buffers without validation of concurrent user-mode input modifications.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm Chipsets 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets存在安全漏洞，该漏洞源于访问共享缓冲区时未验证并发用户模式输入修改。
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 | Cologne | - |
|
II. Public POCs for CVE-2026-25260
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Qualcomm, Inc. · 2026-06-01 · 22 CVEs total
| CVE-2026-25277 | 8.8 HIGH | Buffer Copy Without Checking Size of Input in Secure Processor |
| CVE-2026-25276 | 8.8 HIGH | Improper Validation of Array Index in Secure Processor |
| CVE-2026-24088 | 8.2 HIGH | Missing Authentication for Critical Function in Boot |
| CVE-2025-59604 | 7.8 HIGH | NULL Pointer Dereference in SPS Applications |
| CVE-2026-25259 | 7.8 HIGH | Out-of-bounds Write in DSP Service |
| CVE-2026-25258 | 7.8 HIGH | Out-of-bounds Read in DSP Service |
| CVE-2025-59606 | 7.8 HIGH | NULL Pointer Dereference in HLOS |
| CVE-2025-59605 | 7.8 HIGH | Out-of-bounds Write in HLOS |
| CVE-2026-24085 | 7.2 HIGH | Stack-based Buffer Overflow in Display |
| CVE-2026-24087 | 7.2 HIGH | Improper Validation of Syntactic Correctness of Input in Kernel |
| CVE-2026-24089 | 7.2 HIGH | Improper Validation of Syntactic Correctness of Input in Kernel |
| CVE-2026-24091 | 7.2 HIGH | Improper Validation of Syntactic Correctness of Input in Display |
| CVE-2026-24092 | 7.2 HIGH | Improper Validation of Syntactic Correctness of Input in Display |
| CVE-2026-24090 | 7.1 HIGH | Missing Authentication for Critical Function in HLOS |
| CVE-2025-59611 | 6.7 MEDIUM | Out-of-bounds Write in Core Services |
| CVE-2025-59612 | 6.7 MEDIUM | Stack-based Buffer Overflow in Windows Compute |
| CVE-2025-59613 | 6.7 MEDIUM | Stack-based Buffer Overflow in Windows Compute |
| CVE-2025-59614 | 6.7 MEDIUM | Out-of-bounds Write in Windows Compute |
| CVE-2025-59601 | 6.5 MEDIUM | Exposure of Sensitive Information Through Metadata in Powerline Communication Firmware |
| CVE-2025-59610 | 6.4 MEDIUM | Time-of-check Time-of-use (TOCTOU) Race Condition in Camera Driver |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Snapdragon
-
CVE-2026-25265
Creation of Temporary File with Insecure Permissions in Qual -
CVE-2026-25264
Uncontrolled Search Path Element in Qualcomm Software Center -
CVE-2026-25262
Write-what-where Condition in Primary Bootloader -
CVE-2026-25255
Exposed function in Qualcomm Package Manager and Qualcomm So -
CVE-2026-25254
Improper authorization in Qualcomm Software Center
Same vendor: Qualcomm, Inc.
-
CVE-2026-25265
Creation of Temporary File with Insecure Permissions in Qual -
CVE-2026-25264
Uncontrolled Search Path Element in Qualcomm Software Center -
CVE-2026-25262
Write-what-where Condition in Primary Bootloader -
CVE-2026-25255
Exposed function in Qualcomm Package Manager and Qualcomm So -
CVE-2026-25254
Improper authorization in Qualcomm Software Center
Same weakness: CWE-367
V. Comments for CVE-2026-25260
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