Vulnerability record

CVE-2026-21385

Qualcomm Multiple Chipsets Memory Corruption Vulnerability

HighExploitation confirmedCISA KEV

What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Multiple Chipsets, fix it now.

CISA 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.

US federal civilian agencies must remediate by Mar 24, 2026.

Patch status

Official fix available since Sep 29, 2026

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Patch or advisory on docs.qualcomm.com (opens in a new tab)

Description

Memory corruption while using alignments for memory allocation.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
Product	Vendor	Source
Multiple Chipsets	Qualcomm	KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

No developments recorded for CVE-2026-21385 in the last 30 days.

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

source.android.com https://source.android.com/docs/security/bulletin/2026/2026-03-01
nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2026-21385
docs.qualcomm.com https://docs.qualcomm.com/product/publicresources/securitybulletin/march-2026-bulletin.html
cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21385