CVE-2026-21378

| EUVD-2026-19334 HIGH
2026-04-06 qualcomm
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Apr 06, 2026 - 16:00 vuln.today
EUVD ID Assigned
Apr 06, 2026 - 16:00 euvd
EUVD-2026-19334
CVE Published
Apr 06, 2026 - 15:33 nvd
HIGH 7.8

Description

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor driver.

Analysis

Local privilege escalation in Qualcomm Snapdragon camera sensor drivers allows authenticated users to execute arbitrary code with elevated privileges through memory corruption. The vulnerability stems from unbounded buffer access during IOCTL processing, enabling attackers to corrupt memory and achieve complete system compromise (confidentiality, integrity, and availability impact). …

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Remediation

Within 24 hours: inventory all Snapdragon-based devices (mobile phones, tablets, IoT endpoints) across your organization and identify affected models through Qualcomm's product security advisories. Within 7 days: establish a baseline of which devices can receive patches through device manufacturer OTA update channels and implement network segmentation to limit IoT device lateral movement. …

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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CVE-2026-21378 vulnerability details – vuln.today

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