CVE-2026-21366: CWE-190 Integer Overflow or Wraparound in Qualcomm, Inc. Snapdragon
Memory corruption while processing a packet with a size close to the maximum allowed value.
AI Analysis
Technical Summary
This vulnerability is an integer overflow or wraparound (CWE-190) occurring in Qualcomm Snapdragon chipsets QCA6595 and QCA6696. It manifests as memory corruption triggered by processing a packet whose size approaches the maximum allowed value. The CVSS 3.1 base score is 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. No official patch or remediation level has been published by Qualcomm as of the data provided. There are no known exploits in the wild currently.
Potential Impact
Successful exploitation of this vulnerability can result in memory corruption, potentially leading to unauthorized disclosure of information, modification of data, or denial of service conditions on affected Snapdragon devices. The CVSS vector indicates local attack complexity and privileges required, with no user interaction needed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users and administrators should monitor Qualcomm's advisories for updates. Until a patch is available, limiting local access to affected devices may reduce risk.
CVE-2026-21366: CWE-190 Integer Overflow or Wraparound in Qualcomm, Inc. Snapdragon
Description
Memory corruption while processing a packet with a size close to the maximum allowed value.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an integer overflow or wraparound (CWE-190) occurring in Qualcomm Snapdragon chipsets QCA6595 and QCA6696. It manifests as memory corruption triggered by processing a packet whose size approaches the maximum allowed value. The CVSS 3.1 base score is 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. No official patch or remediation level has been published by Qualcomm as of the data provided. There are no known exploits in the wild currently.
Potential Impact
Successful exploitation of this vulnerability can result in memory corruption, potentially leading to unauthorized disclosure of information, modification of data, or denial of service conditions on affected Snapdragon devices. The CVSS vector indicates local attack complexity and privileges required, with no user interaction needed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users and administrators should monitor Qualcomm's advisories for updates. Until a patch is available, limiting local access to affected devices may reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qualcomm
- Date Reserved
- 2025-12-17T04:35:45.741Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a72084abf8831d5390c151d
Added to database: 08/04/2026, 15:42:02 UTC
Last enriched: 08/04/2026, 16:01:03 UTC
Last updated: 08/04/2026, 16:28:46 UTC
Views: 2
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