Buffer overflow in Qualcomm products - CVE-2026-21382

Vulnerability identifier: #VU126200

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-2026-21382

CWE-ID: CWE-120

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 Power Management IC. A local application can execute arbitrary code.

WSA8845
XG101039
XG101032
XG101002
X2000094
X2000092
X2000090
X2000086
X2000077
WSA8845H
Cologne
WSA8840
WCD9385
WCD9380
WCD9378C
SC8380XP
QCA0000
FastConnect 7800
FastConnect 6900

Install security update from vendor's website.

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

• Multiple vulnerabilities in Qualcomm chipsets (April 2026)