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PatchSiren cyber security CVE debrief

CVE-2026-25255 Qualcomm, Inc. CVE debrief

A high-severity CVE-2026-25255 vulnerability was published, exposing a dangerous function leading to privilege escalation via a gRPC server. The CVE record was published on 2026-09-22T10:17:08.847Z and was last modified on 2026-10-06T15:34:46.513Z. The NVD entry is currently Analyzed. This vulnerability affects gRPC server deployments, particularly those utilizing Qualcomm package manager and software center versions. Defenders should verify exposure, apply patches, and monitor system integrity to prevent security incidents. The CVE record and NVD detail page provide official vulnerability metadata, and a vendor advisory from Qualcomm is available, detailing the vulnerability and 3

Vendor
Qualcomm, Inc.
Product
Snapdragon
CVSS
HIGH 8.8
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 gRPC server deployments, especially those using Qualcomm package manager and software center versions, should verify exposure and apply patches to prevent privilege escalation.

Why it matters

CVE-2026-25255 exposes a dangerous function in a gRPC server, leading to privilege escalation. Defenders should verify exposure, apply patches, and monitor system integrity to prevent security incidents.

  • Verify exposure in gRPC server deployments to prevent privilege escalation.
  • Apply patches and verify system configurations to ensure system integrity.
  • Monitor system integrity and track potential exploitation attempts to detect potential security incidents.

Technical summary

The CVE-2026-25255 vulnerability exposes a dangerous function in a gRPC server, leading to privilege escalation. Affected products include Qualcomm package manager versions 3.0.125.4, 3.0.126.7, and 3.0.127.2, as well as software center versions 1.17.1, 1.19.1, and 1.21.0.

Defensive priority

Defenders should prioritize verifying exposure in gRPC server deployments, especially those using Qualcomm package manager and software center versions. Remediation involves applying vendor patches and verifying system configurations.

Recommended defensive actions

  • Verify gRPC server deployments for exposure, especially those using Qualcomm package manager and software center versions.
  • Apply vendor patches and verify system configurations to prevent privilege escalation.
  • Monitor system integrity and track potential exploitation attempts.

Evidence notes

The CVE record and NVD detail page provide official vulnerability metadata. A vendor advisory from Qualcomm is available, detailing the vulnerability and affected products.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-25255 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-25255

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

  • CVE-2026-25255 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-25255

    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.