Vulnerabilities

Vulnerability · CVE-2026-21385

Qualcomm Multiple Chipsets Memory Corruption Vulnerability

Published Mar 2, 2026 · catalog updated Jun 17, 2026 · Qualcomm Multiple Chipsets

Patch now

CVE-2026-21385 is in the CISA known-exploited catalog, due Mar 24, 2026. Confirm Qualcomm Multiple Chipsets against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
1.26%
Remediation
Remediation guidance
Affected products
cpe qualcomm/sm7675p firmware · cpe qualcomm/sm8475p firmware · cpe qualcomm/sm8550p firmware · cpe qualcomm/sm8635 firmware · cpe qualcomm/sm8635p firmware · cpe qualcomm/sm8650q firmware

Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe qualcomm/sm7675p firmwareversion unspecified
  • cpe qualcomm/sm8475p firmwareversion unspecified
  • cpe qualcomm/sm8550p firmwareversion unspecified
  • cpe qualcomm/sm8635 firmwareversion unspecified
  • cpe qualcomm/sm8635p firmwareversion unspecified
  • cpe qualcomm/sm8650q firmwareversion unspecified
  • cpe qualcomm/sm8750p firmwareversion unspecified
  • cpe qualcomm/smart audio 400 platform firmwareversion unspecified
  • cpe qualcomm/smart display 200 platform firmwareversion unspecified
  • cpe qualcomm/snapdragon 4 gen 1 mobile platform firmwareversion unspecified
  • cpe qualcomm/snapdragon 4 gen 2 mobile platform firmwareversion unspecified
  • cpe qualcomm/snapdragon 429 mobile platform firmwareversion unspecified
  • vendor Qualcomm Multiple Chipsetsversion unspecified

How to fix CVE-2026-21385

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-21385 is in the CISA known-exploited catalog, due Mar 24, 2026. Confirm Qualcomm Multiple Chipsets against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-190: Integer Overflow. EPSS 1.26%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 2, 2026 · Catalog

    Detected

    Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.

  2. Mar 3, 2026 · CISA KEV

    Known exploited

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

  3. Mar 24, 2026 · CISA KEV

    Remediation due

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

  4. Jun 17, 2026 · Catalog

    Updated

    Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.

  5. Jun 17, 2026 · NIST NVD

    Updated

    Memory corruption while using alignments for memory allocation.

Sources

  • CISA KEVConfirmed exploitationCVE-2026-21385

    Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2026-21385

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21385

    30-day exploitation probability 1.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-21385

    Memory corruption while using alignments for memory allocation.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2026-21385

    Multiple Qualcomm chipsets contain a memory corruption vulnerability while using alignments for memory allocation.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.