CVE DATABASE / CVE-2026-21385
CVE-2026-21385
Qualcomm Multiple Chipsets Memory Corruption Vulnerability
CVSS 7.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2026-03-03.
Federal remediation 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.
Summary
Memory corruption while using alignments for memory allocation.
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Qualcomm sm7675p firmwareQualcomm sm7675pQualcomm sm8475p firmwareQualcomm sm8475pQualcomm sm8550p firmwareQualcomm sm8550pQualcomm sm8635 firmwareQualcomm sm8635Qualcomm sm8635p firmwareQualcomm sm8635pQualcomm sm8650q firmwareQualcomm sm8650qQualcomm sm8750p firmwareQualcomm sm8750pQualcomm smart audio 400 platform firmwareQualcomm smart audio 400 platformQualcomm smart display 200 platform firmwareQualcomm smart display 200 platformQualcomm snapdragon 4 gen 1 mobile platform firmwareQualcomm snapdragon 4 gen 1 mobile platform
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References
- https://docs.qualcomm.com/product/publicresources/securitybulletin/march-2026-bulletin.html
- https://source.android.com/docs/security/bulletin/2026/2026-03-01
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21385
Data: NIST NVD + CISA KEV. NVD last modified 2026-03-04. Always verify against the vendor advisory before acting.