CVE-2026-21385
Qualcomm Multiple Chipsets Memory Corruption Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 March 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Memory corruption while using alignments for memory allocation.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.29% probability · 69th percentile
- CISA KEV
- Listed 3 March 2026 · due 24 March 2026
- Weakness
- CWE-190
- Affected
- qualcomm/sm7675p firmware · qualcomm/sm8475p firmware · qualcomm/sm8550p firmware · qualcomm/sm8635 firmware · qualcomm/sm8635p firmware · qualcomm/sm8650q firmware · qualcomm/sm8750p firmware · qualcomm/smart audio 400 platform firmware · qualcomm/smart display 200 platform firmware · qualcomm/snapdragon 4 gen 1 mobile platform firmware · qualcomm/snapdragon 4 gen 2 mobile platform firmware · qualcomm/snapdragon 429 mobile platform firmware · qualcomm/snapdragon 460 mobile platform firmware · qualcomm/snapdragon 480\+ 5g mobile platform firmware · qualcomm/snapdragon 480 5g mobile platform firmware · qualcomm/snapdragon 6 gen 1 mobile platform firmware · qualcomm/snapdragon 6 gen 3 mobile platform firmware · qualcomm/snapdragon 6 gen 4 mobile platform firmware · qualcomm/snapdragon 625 mobile platform firmware · qualcomm/snapdragon 626 mobile platform firmware · +40 more
- Source
- product-security@qualcomm.com
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. 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
References
- https://docs.qualcomm.com/product/publicresources/securitybulletin/march-2026-bulletin.htmlPatch, Vendor Advisory
- https://source.android.com/docs/security/bulletin/2026/2026-03-01Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21385US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.