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VulnerabilityPublished Updated

CVE-2023-22388: Qualcomm Snapdragon · Use of Out-of-range Pointer Offset

Affects Qualcomm SnapdragonSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Nov 2023

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

  1. Monitor Qualcomm advisories closely and apply official security patches immediately upon release to affected devices and platforms.
  2. For organizations managing fleets of devices, implement centralized update management to ensure timely deployment of firmware and software updates.
  3. Employ network segmentation and firewall rules to restrict access to vulnerable devices, limiting exposure to untrusted networks.
  4. Use intrusion detection and prevention systems (IDS/IPS) with updated signatures to detect anomalous traffic patterns targeting Snapdragon devices.
  5. Conduct regular security audits and vulnerability assessments on IoT and mobile device deployments to identify unpatched or vulnerable hardware.
  6. Collaborate with device vendors and service providers to confirm patch availability and deployment status.
  7. Educate users and administrators about the risks and signs of exploitation, including unexpected device behavior or crashes.
  8. Where possible, disable or restrict the use of vulnerable APIs or features related to the Multi-mode Call Processor until patches are applied.
  9. Implement robust endpoint detection and response (EDR) solutions capable of identifying exploitation attempts on mobile and IoT devices.
  10. Maintain incident response readiness to quickly contain and remediate any exploitation events.

Description

CVE-2023-22388 is a critical memory corruption vulnerability in Qualcomm Snapdragon chipsets affecting a wide range of products including modems, mobile platforms, and wearable devices. The flaw arises from an out-of-range pointer offset in the Multi-mode Call Processor while handling a bit mask API, leading to potential arbitrary code execution or system compromise without requiring user interaction or privileges. With a CVSS score of 9.8, this vulnerability impacts confidentiality, integrity, and availability, and can be exploited remotely over the network. Although no known exploits are currently reported in the wild, the extensive list of affected Snapdragon platforms means a broad attack surface across many mobile and IoT devices. European organizations relying on devices with these chipsets, especially in telecommunications, automotive, and industrial IoT sectors, face significant risks. Mitigation requires prompt application of vendor patches once available, network-level protections, and monitoring for anomalous device behavior. Countries with high adoption of Qualcomm Snapdragon devices and advanced telecom infrastructure, such as Germany, France, the UK, and the Nordics, are most likely to be affected. Given the critical severity and ease of exploitation, immediate attention is warranted to prevent potential large-scale compromise.

References

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