CVE-2026-21385
Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.
Browse: All 2026 CVEs · All vendors
- CVSS score
- 7.8 High
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2026-03-03, remediation due 2026-03-24)
- Weakness (CWE)
- CWE-190
- Published
- 2026-03-02
- Last modified
- 2026-06-17
- NVD status
- Analyzed
Description
Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.
Affected products
- 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
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
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. Federal remediation deadline: 2026-03-24.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
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
FAQ
Is CVE-2026-21385 actively exploited?
Yes. CISA added CVE-2026-21385 to its Known Exploited Vulnerabilities (KEV) catalog on 2026-03-03, with a federal remediation deadline of 2026-03-24. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2026-21385?
CVE-2026-21385 has a CVSS base score of 7.8 (High). Its vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2025-21479 — Qualcomm Multiple Chipsets
- CVE-2025-21480 — Qualcomm Multiple Chipsets
- CVE-2025-27038 — Qualcomm Multiple Chipsets
- CVE-2024-43047 — Qualcomm Multiple Chipsets
- CVE-2023-33107 — Qualcomm Multiple Chipsets
- CVE-2023-33106 — Qualcomm Multiple Chipsets
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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