CVE-2026-21385
HIGHCVSS 7.8/10Actively ExploitedEPSS 1.07%
Last modified
CVE-2026-21385 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Memory corruption while using alignments for memory allocation.. CISA has confirmed active exploitation in the wild. EPSS estimates a 1.07% chance of exploitation in the next 30 days.
Description
Memory corruption while using alignments for memory allocation.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm | Sm7675p Firmware | All versions |
| Qualcomm | Sm8475p Firmware | All versions |
| Qualcomm | Sm8550p Firmware | All versions |
| Qualcomm | Sm8635 Firmware | All versions |
| Qualcomm | Sm8635p Firmware | All versions |
| Qualcomm | Sm8650q Firmware | All versions |
| Qualcomm | Sm8750p Firmware | All versions |
| Qualcomm | Smart Audio 400 Platform Firmware | All versions |
| Qualcomm | Smart Display 200 Platform Firmware | All versions |
| Qualcomm | Snapdragon 4 Gen 1 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 4 Gen 2 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 429 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 460 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 480\+ 5g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 480 5g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 6 Gen 1 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 6 Gen 3 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 6 Gen 4 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 625 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 626 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 660 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 662 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 680 4g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 685 4g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 690 5g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 695 5g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 7\+ Gen 2 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 7 Gen 1 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 778g\+ 5g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 778g 5g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 782g Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 7c\+ Gen 3 Compute Firmware | All versions |
| Qualcomm | Snapdragon 7s Gen 3 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 8\+ Gen 1 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 8\+ Gen 2 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 8 Elite Firmware | All versions |
| Qualcomm | Snapdragon 8 Elite Gen 5 Firmware | All versions |
| Qualcomm | Snapdragon 8 Gen 1 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 8 Gen 2 Mobile Platform Firmware | All versions |
| Qualcomm | Snapdragon 8 Gen 3 Mobile Platform Firmware | All versions |
| Qualcomm | 5g Fixed Wireless Access Platform Firmware | All versions |
| Qualcomm | Apq8098 Firmware | All versions |
| Qualcomm | Ar8031 Firmware | All versions |
| Qualcomm | Ar8035 Firmware | All versions |
| Qualcomm | C-V2x 9150 Firmware | All versions |
| Qualcomm | Csra6620 Firmware | All versions |
| Qualcomm | Csra6640 Firmware | All versions |
| Qualcomm | Fastconnect 6200 Firmware | All versions |
| Qualcomm | Fastconnect 6700 Firmware | All versions |
| Qualcomm | Fastconnect 6800 Firmware | All versions |
Showing 50 of 237 affected configurations. See NVD for the full list.
References
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21385US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-21385?
Memory corruption while using alignments for memory allocation.
How severe is CVE-2026-21385?
CVE-2026-21385 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2026-21385?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-21385?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST