CVE-2026-21385

HIGH7.8

CISA KEV

Published 2026-03-02 · Updated 2026-06-17 · Source product-security@qualcomm.com

Summary

CVE-2026-21385 is a high-severity (CVSS 7.8) vulnerability in Qualcomm Multiple Chipsets. CISA added it to the Known Exploited Vulnerabilities catalog on March 3, 2026, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 24, 2026. CISA does not currently list it as used in ransomware campaigns. Qualcomm has 12 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.

All 12 known-exploited Qualcomm vulnerabilities →

Description

Memory corruption while using alignments for memory allocation.

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-190

CISA Known-Exploited Vulnerability

Product: Qualcomm — Multiple Chipsets

Name: Qualcomm Multiple Chipsets Memory Corruption Vulnerability

Date added: 2026-03-03 · Due: 2026-03-24

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

View on NVD

More exploited Qualcomm vulnerabilities

Most recently added to CISA KEV

CVE-2025-21479
Multiple Chipsets — Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability
added 2025-06-03
CVE-2025-21480
Multiple Chipsets — Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability
added 2025-06-03
CVE-2025-27038
Multiple Chipsets — Qualcomm Multiple Chipsets Use-After-Free Vulnerability
added 2025-06-03
CVE-2024-43047
Multiple Chipsets — Qualcomm Multiple Chipsets Use-After-Free Vulnerability
added 2024-10-08
CVE-2023-33107
Multiple Chipsets — Qualcomm Multiple Chipsets Integer Overflow Vulnerability
added 2023-12-05
CVE-2023-33106
Multiple Chipsets — Qualcomm Multiple Chipsets Use of Out-of-Range Pointer Offset Vulnerability
added 2023-12-05

View all →

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