CVE-2026-87640

Modified Modified - Updated After Analysis

Out of Bounds Read in Google Chrome WebView on Android

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Out of bounds read in WebView in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-09

Last Modified

2026-09-10

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87640

EUVD

EUVD-2026-74528

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 153.0.8010.36 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out of bounds read issue in WebView within Google Chrome on Android. It allows a remote attacker who has already compromised the renderer process to read memory outside the sandbox by using a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome on Android and requires detecting outdated or vulnerable versions of the browser. Check installed Chrome version via Settings > About Chrome or use adb shell dumpsys package com.android.chrome | grep version. If version is below 153.0.8010.36, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive data stored in memory outside the sandbox. This might lead to unauthorized data exposure or further exploitation of the system.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized memory access. A remote attacker exploiting this flaw might exfiltrate sensitive data from the renderer process, which could include personal or health information. Such unauthorized access may violate GDPR's data protection principles or HIPAA's safeguards for protected health information.

Mitigation Strategies

Update Google Chrome on Android to version 153.0.8010.36 or later to address the out of bounds read vulnerability in WebView.

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