Memory Corruption Vulnerability in Qualcomm Products
CVE-2026-21366

7.8HIGH

Key Information:

Vendor

Qualcomm
Status
Snapdragon
Vendor
CVE Published:
4 August 2026

What is CVE-2026-21366?

A vulnerability exists in Qualcomm networking products due to memory corruption while processing packets with sizes nearing the maximum limits. This flaw can potentially be exploited by an attacker, resulting in unexpected behaviors or denial of service. Users are urged to review the security bulletin and apply necessary updates to mitigate any risks associated with this vulnerability.

Affected Version(s)

Snapdragon Snapdragon Auto LeMans_AU_LGIT

Snapdragon Snapdragon Auto LeMansAU

Snapdragon Snapdragon Auto QAM8255P

References

https://docs.qualcomm.com/product/publicresources/securit...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.