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Snapdragon EUVDEUVD-2026-19331

| CVE-2026-21376 HIGH
Buffer Over-read (CWE-126)
2026-04-06 qualcomm
7.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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
EUVD ID Assigned
Apr 06, 2026 - 16:00 euvd
EUVD-2026-19331
Analysis Generated
Apr 06, 2026 - 16:00 vuln.today
CVE Published
Apr 06, 2026 - 15:33 nvd
HIGH 7.8

DescriptionCVE.org

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

AnalysisAI

Local privilege escalation in Qualcomm Snapdragon camera sensor drivers allows authenticated attackers with low privileges to execute arbitrary code with elevated permissions through unchecked output buffer access during IOCTL operations. This out-of-bounds read vulnerability (CWE-126) achieves complete system compromise (confidentiality, integrity, and availability impact all rated High in CVSS). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Local user invokes malicious IOCTL command
Exploit
Camera sensor driver accesses output buffer without size validation
Execution
Memory corruption occurs in kernel space
Impact
Arbitrary code execution with elevated privileges

Vulnerability AssessmentAI

Exploitation Attacker requires low-privilege local user access on the target system running the affected camera sensor driver. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world exploitation risk is moderate-to-high for targeted attacks but limited in broad scope. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker first establishes a foothold on a target Snapdragon-powered device through installation of a malicious application (either through social engineering, supply chain compromise, or exploitation of an unrelated vulnerability). Once the app executes with standard user privileges, the attacker invokes crafted IOCTL commands targeting the vulnerable camera sensor driver, providing malformed buffer parameters that trigger the out-of-bounds read condition. …
Remediation Apply security updates from Qualcomm's April 2026 security bulletin available at https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html, which will specify patched firmware versions and integration guidance for OEMs. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all Snapdragon-based devices in your environment (smartphones, tablets, IoT devices, automotive systems) and document affected models and firmware versions. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-19331 vulnerability details – vuln.today

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