Vulnerability · Published Aug 4, 2026 · Assigned by qualcomm

CVE-2026-21366Integer Overflow or Wraparound in Data Network Stack & Connectivity

High 7.8

In plain English

A high-severity integer overflow in Snapdragon from Qualcomm, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 99.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Memory corruption while processing a packet with a size close to the maximum allowed value.

Affected products (as reported)

VendorProductVersions
Qualcomm, Inc. Snapdragon LeMans_AU_LGITLeMansAUQAM8255PQAM8295PQAM8620PQAMSRV1HQAMSRV1MQCA6574AU

Weakness: CWE-190 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References