---
id: CVE-2026-25255
title: Exposed dangerous function lead to privilege escalation via gRPC server.
summary: Exposed dangerous function lead to privilege escalation via gRPC server.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-749
vendor: 'Qualcomm, Inc.'
product: Snapdragon
affected:
  - Snapdragon QSCv1.17.1
  - Snapdragon QSCv1.19.1
  - Snapdragon QSCv1.21.0
  - Snapdragon QPMv3.0.125.4
  - Snapdragon QPMv3.0.126.7
  - Snapdragon QPMv3.0.127.2
published: '2026-09-22'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:37:36.747'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-25255'
references:
  - url: >-
      https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2026-bulletin.html
    label: product-security@qualcomm.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-22T10:06:50.217895Z'
ingestedAt: '2026-09-22T10:01:43.992Z'
epss: 0.00151
epssPercentile: 0.04638
---

## Overview

Exposed dangerous function lead to privilege escalation via gRPC server.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.