CVE-2024-40676

HIGH

Android - Local Privilege Escalation via Confused Deputy in AccountManagerService

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-40676. PoCs published by CrackerCat.

AI-analyzed exploit summary The repository contains Android framework source code files related to account management, specifically focusing on the AccountAuthenticatorCache and AccountManagerBackupHelper classes. It appears to be a technical analysis or patch diff for CVE-2024-40676, likely involving authentication or permission handling vulnerabilities in Android's account management system.

Description

In checkKeyIntent of AccountManagerService.java, there is a possible way to bypass intent security check and install an unknown app due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Exploits (1)

nomisec WRITEUP 1 stars
by CrackerCat · poc
https://github.com/CrackerCat/accounts_CVE-2024-40676-

The repository contains Android framework source code files related to account management, specifically focusing on the AccountAuthenticatorCache and AccountManagerBackupHelper classes. It appears to be a technical analysis or patch diff for CVE-2024-40676, likely involving authentication or permission handling vulnerabilities in Android's account management system.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Theoretical
Target: Android Account Manager Service
No auth needed
Prerequisites: Access to Android system components · Knowledge of Android account management internals
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Scores

CVSS v3 7.7
EPSS 0.0017
EPSS Percentile 6.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-843
Status published
Products (5)
google/android 12.0
google/android 12.1
google/android 13.0
google/android 14.0
google/android 15.0
Published Jan 28, 2025
Tracked Since Feb 18, 2026