CVE-2026-21375

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

06/04/2026

Last modified:

07/04/2026

Description

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

References to Advisories, Solutions, and Tools

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html