CVE-2026-25271: CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition in Qualcomm, Inc. Snapdragon
Memory Corruption when processing asynchronous input parameters due to improper handling of modified values between check and use.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-25271) in Qualcomm Snapdragon products is a TOCTOU race condition (CWE-367) that leads to memory corruption. It arises from improper handling of asynchronous input parameters where values may be modified between the time they are checked and the time they are used. The CVSS 3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Affected versions are specific Qualcomm Snapdragon models: IQX5121, IQX7181, QCA0000, WCD9380, WCD9385, WSA8840, and WSA8845. There is no vendor advisory or patch available at this time, and no known exploits have been reported.
Potential Impact
Successful exploitation of this TOCTOU race condition can result in memory corruption, potentially leading to unauthorized disclosure, modification, or disruption of system operations on affected Qualcomm Snapdragon devices. The CVSS score reflects high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor for updates from Qualcomm and apply any recommended mitigations once available.
CVE-2026-25271: CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition in Qualcomm, Inc. Snapdragon
Description
Memory Corruption when processing asynchronous input parameters due to improper handling of modified values between check and use.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-25271) in Qualcomm Snapdragon products is a TOCTOU race condition (CWE-367) that leads to memory corruption. It arises from improper handling of asynchronous input parameters where values may be modified between the time they are checked and the time they are used. The CVSS 3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Affected versions are specific Qualcomm Snapdragon models: IQX5121, IQX7181, QCA0000, WCD9380, WCD9385, WSA8840, and WSA8845. There is no vendor advisory or patch available at this time, and no known exploits have been reported.
Potential Impact
Successful exploitation of this TOCTOU race condition can result in memory corruption, potentially leading to unauthorized disclosure, modification, or disruption of system operations on affected Qualcomm Snapdragon devices. The CVSS score reflects high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor for updates from Qualcomm and apply any recommended mitigations once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qualcomm
- Date Reserved
- 2026-02-02T04:19:00.940Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4c11fc27e9c797192ee52b
Added to database: 07/06/2026, 20:37:16 UTC
Last enriched: 07/06/2026, 20:52:25 UTC
Last updated: 07/06/2026, 23:06:58 UTC
Views: 5
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