# CVE-2026-25262 — Qualcomm, Inc. Snapdragon

> As of 2026-09-22, CVE-2026-25262 is a MEDIUM-severity vulnerability in Qualcomm, Inc. Snapdragon, CVSS v3.1 6.9, EPSS 0.1% (2.9th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-25262, most recently “CVE-2026-25262: Qualcomm Snapdragon MSM/MDM BootROM (PBL) write-what-where flaw in Emergency Download Mode / Sahara protocol (Kaspersky ICS CERT, Black Hat Asia 2026)”.

**Last updated:** 2026-09-22

## What is CVE-2026-25262?

Memory corruption while processing a crafted ELF file in the Primary Bootloader.

The record classifies CVE-2026-25262 under weakness class [CWE-123](https://cwe.mitre.org/data/definitions/123.html). Its CVSS v3 base vector states that the flaw requires physical access to the device, needs low-privilege credentials, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 43 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.9 — MEDIUM (`CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 2.9% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-22

## Is CVE-2026-25262 being exploited?

Weaponised exploit code for CVE-2026-25262 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 33 in the Threadlinqs vulnerability feed.

- [shurikgo/cve-2026-25262-sm8450-research](https://github.com/shurikgo/cve-2026-25262-sm8450-research) (github)
- [Starry2233/cve-2026-25262-poc](https://github.com/Starry2233/cve-2026-25262-poc) (github)

## Affected products and versions

- [Qualcomm, Inc.](https://intel.threadlinqs.com/vendors/qualcomm): Snapdragon

## How to fix CVE-2026-25262

Vendor advisory: [https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html](https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html). Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

## Threat activity tracking CVE-2026-25262

1 tracked threat in the Threadlinqs corpus references CVE-2026-25262, either in the campaign’s CVE list or as an indicator on the campaign record.

- [CVE-2026-25262: Qualcomm Snapdragon MSM/MDM BootROM (PBL) write-what-where flaw in Emergency Download Mode / Sahara protocol (Kaspersky ICS CERT, Black Hat Asia 2026)](https://intel.threadlinqs.com/threat/TL-2026-4900) — MEDIUM · 2026-10-31

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-11-04. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [docs.qualcomm.com](https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-25262
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