CVE-2026-21371 - Vulnerability Details - OpenCVE

Memory Corruption when retrieving output buffer with insufficient size validation.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html

History

Mon, 06 Apr 2026 16:45:00 +0000

Type	Values Removed	Values Added
Description		Memory Corruption when retrieving output buffer with insufficient size validation.
Title		Buffer Over-read in WinBlast Driver
Weaknesses		CWE-126
References		https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: qualcomm

Published: 2026-04-06T15:33:47.240Z

Updated: 2026-04-06T16:22:15.538Z

Reserved: 2025-12-17T04:35:45.742Z

Link: CVE-2026-21371

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-04-06T16:16:29.563

Modified: 2026-04-06T16:16:29.563

Link: CVE-2026-21371

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-126

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