CVE-2026-21385

Home/CVE/Qualcomm Multiple Chipsets Memory Corruption Vulnerability

CVE

Qualcomm Multiple Chipsets Memory Corruption Vulnerability

Memory corruption while using alignments for memory allocation.

HIGH · CVSS 7.8 ⚠ CISA KEV EPSS 0.00227

Act now

Listed on CISA KEV (known exploited in the wild)
SSVC exploitation status: active
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬢

Required Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound

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Affected Products & Versions

qualcomm sm7675p firmwareall versions
qualcomm sm8475p firmwareall versions
qualcomm sm8550p firmwareall versions
qualcomm sm8635 firmwareall versions
qualcomm sm8635p firmwareall versions
qualcomm sm8650q firmwareall versions
qualcomm sm8750p firmwareall versions
qualcomm smart audio 400 platform firmwareall versions
Show all 60 affected productsqualcomm smart display 200 platform firmwareall versions
qualcomm snapdragon 4 gen 1 mobile platform firmwareall versions
qualcomm snapdragon 4 gen 2 mobile platform firmwareall versions
qualcomm snapdragon 429 mobile platform firmwareall versions
qualcomm snapdragon 460 mobile platform firmwareall versions
qualcomm snapdragon 480\+ 5g mobile platform firmwareall versions
qualcomm snapdragon 480 5g mobile platform firmwareall versions
qualcomm snapdragon 6 gen 1 mobile platform firmwareall versions
qualcomm snapdragon 6 gen 3 mobile platform firmwareall versions
qualcomm snapdragon 6 gen 4 mobile platform firmwareall versions
qualcomm snapdragon 625 mobile platform firmwareall versions
qualcomm snapdragon 626 mobile platform firmwareall versions
qualcomm snapdragon 660 mobile platform firmwareall versions
qualcomm snapdragon 662 mobile platform firmwareall versions
qualcomm snapdragon 680 4g mobile platform firmwareall versions
qualcomm snapdragon 685 4g mobile platform firmwareall versions
qualcomm snapdragon 690 5g mobile platform firmwareall versions
qualcomm snapdragon 695 5g mobile platform firmwareall versions
qualcomm snapdragon 7\+ gen 2 mobile platform firmwareall versions
qualcomm snapdragon 7 gen 1 mobile platform firmwareall versions
qualcomm snapdragon 778g\+ 5g mobile platform firmwareall versions
qualcomm snapdragon 778g 5g mobile platform firmwareall versions
qualcomm snapdragon 782g mobile platform firmwareall versions
qualcomm snapdragon 7c\+ gen 3 compute firmwareall versions
qualcomm snapdragon 7s gen 3 mobile platform firmwareall versions
qualcomm snapdragon 8\+ gen 1 mobile platform firmwareall versions
qualcomm snapdragon 8\+ gen 2 mobile platform firmwareall versions
qualcomm snapdragon 8 elite firmwareall versions
qualcomm snapdragon 8 elite gen 5 firmwareall versions
qualcomm snapdragon 8 gen 1 mobile platform firmwareall versions
qualcomm snapdragon 8 gen 2 mobile platform firmwareall versions
qualcomm snapdragon 8 gen 3 mobile platform firmwareall versions
qualcomm 5g fixed wireless access platform firmwareall versions
qualcomm apq8098 firmwareall versions
qualcomm ar8031 firmwareall versions
qualcomm ar8035 firmwareall versions
qualcomm c-v2x 9150 firmwareall versions
qualcomm csra6620 firmwareall versions
qualcomm csra6640 firmwareall versions
qualcomm fastconnect 6200 firmwareall versions
qualcomm fastconnect 6700 firmwareall versions
qualcomm fastconnect 6800 firmwareall versions
qualcomm fastconnect 6900 firmwareall versions
qualcomm fastconnect 7800 firmwareall versions
qualcomm flight rb5 5g platform firmwareall versions
qualcomm fsm100 platform firmwareall versions
qualcomm g1 gen 1 firmwareall versions
qualcomm g2 gen 1 firmwareall versions
qualcomm iq-615 firmwareall versions
qualcomm iq-8275 firmwareall versions
qualcomm iq-8300 firmwareall versions
qualcomm iq-9075 firmwareall versions

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Scoring & Timeline

7.8

HIGH · CVSS v3.1 · product-security@qualcomm.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD02 Mar 2026 · 05:16 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

active

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

⚑

Vendor Advisories

cisaKEV-CVE-2026-21385

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://docs.qualcomm.com/product/publicresources/securitybulletin/march-2026-bulletin.htmlPatchVendor 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

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