Use After Free in Qualcomm products - CVE-2026-21380

Vulnerability identifier: #VU126198

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-21380

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation in DSP Service. A local application can execute arbitrary code.

WSA8835
XG101039
XG101032
XG101002
X2000094
X2000092
X2000090
X2000086
X2000077
WSA8845H
WSA8845
WSA8840
Cologne
WSA8830
WCD9385
WCD9380
WCD9378C
Snapdragon AR1 Gen 1 Platform
SC8380XP
QCA0000
FastConnect 7800
FastConnect 6900
WSA8832

Install security update from vendor's website.

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

• Multiple vulnerabilities in Qualcomm chipsets (April 2026)