Vulnerability · Published Jul 6, 2026 · Assigned by qualcomm
CVE-2026-21383Reusing a Nonce, Key Pair in Encryption in HLOS
High 7.1
In plain English
A high-severity security flaw 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)7.1High
Exploit odds (30 days)0.1%top 99.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm, Inc. | Snapdragon | FastConnect 6900FastConnect 7800LeMans_AU_LGITLeMansAUPandeiroQAM8255PQAM8397PQAM8797P |
Weakness: CWE-323 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N