CVE-2026-21385: Qualcomm Multiple Chipsets Memory Corruption Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.

Required action (CISA)

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

Notes

Please check with specific vendors (OEMs,) for information on patching status. For more information, please see: https://source.android.com/docs/security/bulletin/2026/2026-03-01 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21385

Weakness behind it

CISA records this vulnerability as an instance of CWE-190. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-21385
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog