CVE-2026-21372

| EUVD-2026-19323 HIGH
2026-04-06 qualcomm GHSA-73jc-v74h-5w6r
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-2026-19323
CVE Published
Apr 06, 2026 - 15:33 nvd
HIGH 7.8

Tags

Buffer Overflow Heap Overflow

Description

Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

Analysis

Local privilege escalation in Qualcomm Snapdragon components allows authenticated local attackers to corrupt kernel memory through malformed IOCTL requests. Exploitation requires low-privilege local access but no user interaction (CVSS 7.8, AV:L/PR:L). …

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Remediation

Within 24 hours: Inventory all Qualcomm Snapdragon devices across mobile, IoT, and embedded deployments and identify business-critical systems. Within 7 days: Contact Qualcomm for patch timeline and interim guidance; assess feasibility of restricting local access on affected devices through MDM/EMM policies and application sandboxing. …

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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-2026-21372 vulnerability details – vuln.today
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