docs.qualcomm.com
https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html CVE-2026-21366
HIGH
Integer Overflow or Wraparound in Data Network Stack & Connectivity
Record summary
CVE-2026-21366 has a selected CVSS score of 7.8 (high).
Description
Memory corruption while processing a packet with a size close to the maximum allowed value.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableNo
Technical impactTotal
CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 4, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
SnapdragonBrowse Qualcomm, Inc. / SnapdragonDefault status: unaffected | CVE List | LeMans_AU_LGIT | affected |
| LeMansAU | affected | ||
| QAM8255P | affected | ||
| QAM8295P | affected | ||
| QAM8620P | affected | ||
| QAMSRV1H | affected | ||
| QAMSRV1M | affected | ||
| QCA6574AU | affected | ||
| QCA6595 | affected | ||
| QCA6595AU | affected | ||
| QCA6688AQ | affected | ||
| QCA6696 | affected | ||
| Showing 12 of 33 version ranges | |||
References
2nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2026-21366