#VU126196 Buffer over-read in Qualcomm products - CVE-2026-21376

Vulnerability identifier: #VU126196

Vulnerability risk: Low

CVSSv4.0: 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/E:U/U:Clear

CVE-ID: CVE-2026-21376

CWE-ID: CWE-126

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
AQT1000
Cologne
FastConnect 6200
FastConnect 6700
FastConnect 6800
FastConnect 6900
FastConnect 7800
QCA0000
QCA6391
QCA6420
QCA6430
QCM5430
QCM6490
Qualcomm Video Collaboration VC3 Platform
SC8380XP
SM6250
Snapdragon 460 Mobile Platform
Snapdragon 662 Mobile Platform
Snapdragon 7c Compute Platform
Snapdragon 7c Gen 2 Compute Platform "Rennell Pro"
Snapdragon 7c+ Gen 3 Compute
Snapdragon 8c Compute Platform "Poipu Lite"
Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"
Snapdragon 8cx Compute Platform
Snapdragon 8cx Compute Platform "Poipu Pro"
Snapdragon 8cx Gen 2 5G Compute Platform
Snapdragon 8cx Gen 2 5G Compute Platform "Poipu Pro"
Snapdragon 8cx Gen 3 Compute Platform
Snapdragon AR1 Gen 1 Platform
WCD9340
WCD9341
WCD9370
WCD9375
WCD9378C
WCD9380
WCD9385
WCN3950
WCN3988
WSA8810
WSA8815
WSA8830
WSA8835
WSA8840
WSA8845
WSA8845H
X2000077
X2000086
X2000090
X2000092
X2000094
XG101002
XG101032
XG101039
WSA8832

Software vendor:
Qualcomm

The vulnerability allows a local application to execute arbitrary code.

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

Install security update from vendor's website.

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