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PatchSiren cyber security CVE debrief

CVE-2025-47408 Qualcomm, Inc. CVE debrief

Memory corruption vulnerability in Qualcomm products. Assess exposure, prioritize patching, and review compensating controls for exposed systems. Verify input/output buffer validation for IOCTL calls and check relevant monitoring, detection, and logs for exposed assets that need extra review. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Vendor
Qualcomm, Inc.
Product
Snapdragon
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-04
Original CVE updated
2026-09-30
Advisory published
2026-05-04
Advisory updated
2026-09-30

Who should care

Defenders and administrators of Qualcomm products should assess exposure and prioritize patching. Operators, platforms, vulnerability-management, and security teams are impacted by this vulnerability. They should review compensating controls for exposed systems while remediation is scheduled and verified. Inventory and assess Qualcomm products for exposure.

Why it matters

Memory corruption vulnerability in Qualcomm products requires immediate attention from defenders and administrators to assess exposure and prioritize patching.

  • Potential memory corruption requires immediate patching priority
  • Assess exposure of Qualcomm products in inventory
  • Verify input/output buffer validation for IOCTL calls

Technical summary

Memory corruption vulnerability in Qualcomm products when another driver calls an IOCTL with invalid input/output buffer. CVSS score of 7.8 and HIGH severity. Affected product deployments exist in managed environments and require immediate patching priority. Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Defensive priority

Patch vulnerable Qualcomm products immediately.

Recommended defensive actions

  • Patch vulnerable Qualcomm products
  • Inventory and assess Qualcomm products for exposure
  • Monitor for potential memory corruption attempts

Evidence notes

Official CVE Program record and NVD vulnerability detail provided. Vendor advisory available. The CVE record was published on 2026-05-04T17:16:21.257Z and has not been modified since then. The NVD entry is currently Analyzed. Assess exposure of Qualcomm products in inventory and verify input/output buffer validation for IOCTL calls.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-47408 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-47408

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-47408 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-47408

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html

    [email protected] - Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.