CVE-2018-9461

Local file disclosure via fragment-attachment race

Published Jan 17, 2025 · Updated Mar 18, 2025

Information disclosure in Android 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, and 8.1 allows local users to read Messages app files. ShareIntentActivity.onAttachFragment handles fragment attachment without adequate synchronization, creating a race that grants another app access to those files. A malicious local app with low privileges can trigger the race without user interaction or additional execution privileges.

CVSS severity7.0
High
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Information disclosure in Android 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, and 8.1 allows local users to read Messages app files. ShareIntentActivity.onAttachFragment handles fragment attachment without adequate synchronization, creating a race that grants another app access to those files. A malicious local app with low privileges can trigger the race without user interaction or additional execution privileges.

The record

CVE
CVE-2018-9461
Published
Jan 17, 2025
Updated
Mar 18, 2025
Vendor
Google Cloud
Product
Android
Classifications
CWE-362, T1533
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Jan 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Android Kernel

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Google Cloud · Androidversion=Android Kernel

Published CVSS scores

7.0CISA ADP VulnrichmentCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
T1533Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo