CVE-2026-21371 HIGH

CVE-2026-21371: Buffer Over-read in WinBlast Driver

Vendor Qualcomm, Inc.
Product Snapdragon
Weakness CWE-126
Published April 6, 2026
Last update April 7, 2026
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Memory Corruption when retrieving output buffer with insufficient size validation.

Key dates

02Disclosure timeline

April 6, 2026 CVE published
April 7, 2026 Record updated