CVEs / CVE-2026-21385
CVE-2026-21385: Qualcomm Multiple Chipsets Memory Corruption Vulnerability
- Known exploited in the CISA KEV catalog since 3 Mar 2026
- high 7.8 CVSS 3.1 (from the CNA)
- EPSS 1.31% chance of exploitation in the next 30 days, higher than 70% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.
Description
Memory corruption while using alignments for memory allocation.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Qualcomm, Inc. Snapdragon | 5G Fixed Wireless Access Platform | — |
| Qualcomm, Inc. Snapdragon | APQ8098 | — |
| Qualcomm, Inc. Snapdragon | AR8031 | — |
| Qualcomm, Inc. Snapdragon | AR8035 | — |
| Qualcomm, Inc. Snapdragon | C-V2X 9150 | — |
| Qualcomm, Inc. Snapdragon | CSRA6620 | — |
| Qualcomm, Inc. Snapdragon | CSRA6640 | — |
| Qualcomm, Inc. Snapdragon | FastConnect 6200 | — |
| Qualcomm, Inc. Snapdragon | FastConnect 6700 | — |
| Qualcomm, Inc. Snapdragon | FastConnect 6800 | — |
| Qualcomm, Inc. Snapdragon | FastConnect 6900 | — |
| Qualcomm, Inc. Snapdragon | FastConnect 7800 | — |
| Qualcomm, Inc. Snapdragon | Flight RB5 5G Platform | — |
| Qualcomm, Inc. Snapdragon | FSM100 Platform | — |
| Qualcomm, Inc. Snapdragon | G1 Gen 1 | — |
| Qualcomm, Inc. Snapdragon | G2 Gen 1 | — |
| Qualcomm, Inc. Snapdragon | IQ6 Series Platform | — |
| Qualcomm, Inc. Snapdragon | IQ8 Series Platform | — |
| Qualcomm, Inc. Snapdragon | IQ9 Series Platform | — |
| Qualcomm, Inc. Snapdragon | LeMans_AU_LGIT | — |
| Qualcomm, Inc. Snapdragon | LeMansAU | — |
| Qualcomm, Inc. Snapdragon | MDM9250 | — |
| Qualcomm, Inc. Snapdragon | MDM9628 | — |
| Qualcomm, Inc. Snapdragon | Milos | — |
| Qualcomm, Inc. Snapdragon | Monaco_IOT | — |
| Qualcomm, Inc. Snapdragon | Netrani | — |
| Qualcomm, Inc. Snapdragon | Orne | — |
| Qualcomm, Inc. Snapdragon | Palawan25 | — |
| Qualcomm, Inc. Snapdragon | Pandeiro | — |
| Qualcomm, Inc. Snapdragon | QAM8255P | — |
Exploitation
| In CISA KEV since | 3 Mar 2026 |
|---|---|
| Due date for US federal agencies | 24 Mar 2026 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-190 |
References
- CVE-2026-21385 on NVD
- CVE-2026-21385 in the CISA KEV catalog
- https://source.android.com/docs/security/bulletin/2026/2026-03-01 (cited by CISA)
- https://docs.qualcomm.com/product/publicresources/securitybulletin/march-2026-bulletin.html Patch, Vendor Advisory
- https://source.android.com/docs/security/bulletin/2026/2026-03-01 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21385 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.