Qualcomm Static IV in AES-GCM Key Wrap Causes Crypto Flaw
CVE-2026-21383 Published on July 6, 2026

Reusing a Nonce, Key Pair in Encryption in HLOS
Cryptographic Issue when using a static initialization vector for AES-GCM key wrapping, which requires a unique value for each call to ensure security.

NVD

Vulnerability Analysis

CVE-2026-21383 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

Reusing a Nonce, Key Pair in Encryption

Nonces should be used for the present occasion and only once.


Products Associated with CVE-2026-21383

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Affected Versions

Qualcomm, Inc. Snapdragon: