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PatchSiren cyber security CVE debrief

CVE-2026-25262 Qualcomm, Inc. CVE debrief

A memory corruption vulnerability exists in the Primary Bootloader when processing a crafted ELF file. This issue affects various Qualcomm chipsets, including MDM9207, MDM9655, MDM9665, MSM8909, MSM8916, MSM8952, and SDX50. The vulnerability has a CVSS score of 6.9 and is considered medium severity. Defenders should assess exposure and prioritize verifying the integrity of ELF files processed by the Primary Bootloader. The CVE record and NVD detail page provide information on the vulnerability, including its description, CVSS score, and affected products. A vendor advisory from Qualcomm is also available. To address this vulnerability, defenders should verify ELF file integrity, M

Vendor
Qualcomm, Inc.
Product
Snapdragon
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-22
Original CVE updated
2026-10-06
Advisory published
2026-09-22
Advisory updated
2026-10-06

Who should care

Defenders responsible for securing devices using Qualcomm chipsets, particularly those using the affected products, should assess exposure and prioritize verifying the integrity of ELF files processed by the Primary Bootloader.

Why it matters

The CVE-2026-25262 vulnerability in Qualcomm's Primary Bootloader can lead to memory corruption when processing crafted ELF files. Defenders should prioritize verifying ELF file integrity, assessing exposure for affected devices, and applying security updates to prevent potential attacks.

  • Verify ELF file integrity to prevent memory corruption
  • Assess exposure for devices using affected Qualcomm chipsets
  • Prioritize applying vendor-provided security updates

Technical summary

The vulnerability exists in the Primary Bootloader and can be triggered by processing a crafted ELF file. This can lead to memory corruption, potentially allowing an attacker to execute arbitrary code. The affected products include various Qualcomm chipsets, such as MDM9207, MDM9655, MDM9665, MSM8909, MSM8916, MSM8952, and SDX50.

Defensive priority

Defenders should prioritize verifying the integrity of ELF files processed by the Primary Bootloader and assess exposure for devices using affected Qualcomm chipsets.

Recommended defensive actions

  • Verify the integrity of ELF files processed by the Primary Bootloader
  • Assess exposure for devices using affected Qualcomm chipsets
  • Review and apply vendor-provided security updates

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its description, CVSS score, and affected products. A vendor advisory from Qualcomm is also available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-25262 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-25262

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

  • CVE-2026-25262 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-25262

    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.