CVE-2025-21439 HIGH

CVE-2025-21439: Out-of-bounds Read in Windows WLAN Host

Vendor Qualcomm, Inc.
Product Snapdragon
Weakness CWE-787
Published April 7, 2025
Last update February 26, 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 may occur while reading board data via IOCTL call when the WLAN driver copies the content to the provided output buffer.

Key dates

02Disclosure timeline

April 7, 2025 CVE published
February 26, 2026 Record updated