CVE-2016-3866

HIGH

Qualcomm sound driver - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-3866. PoCs published by codecat007.

AI-analyzed exploit summary The repository contains a functional proof-of-concept exploit for CVE-2016-3866, a buffer overflow vulnerability in the Android kernel's ALSA sound driver. The PoC triggers the vulnerability by sending an invalid parameter length via an ioctl call, leading to a crash or potential privilege escalation.

Description

The Qualcomm sound driver in Android before 2016-09-05 on Nexus 5X, 6, and 6P devices allows attackers to gain privileges via a crafted application, aka Android internal bug 28868303 and Qualcomm internal bug CR1032820.

Exploits (1)

github WORKING POC 8 stars
by codecat007 · cpoc
https://github.com/codecat007/cvehub/tree/main/android/kernel/cve-2016-3866

The repository contains a functional proof-of-concept exploit for CVE-2016-3866, a buffer overflow vulnerability in the Android kernel's ALSA sound driver. The PoC triggers the vulnerability by sending an invalid parameter length via an ioctl call, leading to a crash or potential privilege escalation.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Android kernel (ALSA sound driver)
No auth needed
Prerequisites: Access to the target device's sound driver interface (/dev/snd/pcmC0D19c)
devstral-2 · analyzed Feb 27, 2026 Full analysis →

References (3)

Core 3
Core References
Patch, Vendor Advisory x_refsource_confirm
http://source.android.com/security/bulletin/2016-09-01.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036763
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92879

Scores

CVSS v3 7.8
EPSS 0.0007
EPSS Percentile 21.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-264
Status published
Products (1)
google/android < 7.0
Published Sep 11, 2016
Tracked Since Feb 18, 2026