CVE-2026-85044 in Chrome
Summary
by MITRE • 09/03/2026
Use of released resource in Mobile in Google Chrome on on Android prior to 152.0.7977.82 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 09/03/2026
The vulnerability identified as CVE-2024-6382 represents a significant flaw within the Google Chrome browser engine on Android devices, specifically affecting versions prior to 152.0.7977.82. This issue stems from improper resource management practices where resources are released prematurely or incorrectly handled during mobile-specific operations. The core technical deficiency lies in how the Chromium rendering engine manages memory and object lifecycles when processing web content on Android platforms. When a webpage triggers specific sequences of events involving DOM manipulation, network requests, or media handling, the browser may release critical internal structures before they are fully dereferenced by all active references. This race condition or use-after-free scenario creates an opportunity for state corruption within the browser's memory space, which can be exploited to alter execution flow or access restricted data segments that should remain isolated from untrusted web content.
The operational impact of this vulnerability is primarily centered on the bypassing of the Same-Origin Policy (SOP), a fundamental security mechanism in modern browsers designed to prevent malicious scripts on one page from obtaining access to sensitive information on another page with a different origin. By leveraging social engineering techniques, an attacker can craft a deceptive HTML page that triggers the specific conditions required to exploit this resource management flaw. Once triggered, the crafted payload allows the attacker's script to read or manipulate data belonging to other origins, effectively breaking the isolation boundaries between tabs and websites. This capability enables potential attacks such as cross-site scripting amplification, session hijacking, or unauthorized access to sensitive user data stored within the browser context of victim sites. The severity is classified as medium because while it allows for significant policy bypasses, it requires active user interaction through social engineering rather than being a fully automatic remote code execution vector.
From an industry standards perspective, this vulnerability aligns with CWE-416, Use After Free, which describes the error of using memory after it has been freed, leading to undefined behavior and potential security breaches. Additionally, the exploitation technique maps directly to MITRE ATT&CK tactic T1059, Command and Scripting Interpreter, specifically within the context of web-based attacks where JavaScript is used to execute malicious logic against browser internals. The bypass of origin policies also relates to CWE-284, Improper Access Control, as it undermines the intended access restrictions enforced by the browser's security model. Understanding these mappings helps in categorizing the risk and aligning mitigation strategies with established cybersecurity frameworks that prioritize memory safety and strict isolation enforcement.
Mitigation for this vulnerability requires immediate action on both client-side and server-side fronts. The primary defense is to update Google Chrome on all Android devices to version 152.0.7977.82 or later, where the underlying Chromium engine has been patched to correctly manage resource lifecycles and prevent premature release of critical objects during mobile rendering operations. For organizations managing fleets of Android devices, enforcing automatic browser updates through Mobile Device Management (MDM) solutions is crucial to ensure rapid patch deployment. Additionally, users should be educated on social engineering tactics that often precede such exploits, recognizing suspicious links or pages that attempt to trigger complex web interactions unexpectedly. Implementing Content Security Policy headers and strict origin isolation policies can further reduce the blast radius if a similar vulnerability were present in older versions, limiting the potential damage of any successful exploitation attempts by restricting what scripts are allowed to access across different domains.