CVE-2026-95360 in Chrome
Summary
by MITRE • 09/29/2026
Race condition in Editing in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 09/29/2026
The vulnerability identified as CVE-2024-6932 represents a race condition within the editing subsystem of Google Chrome, specifically affecting versions prior to 154.0.8037.57. This flaw stems from improper synchronization mechanisms when handling concurrent operations related to document object model manipulation and user input processing. In complex web applications, particularly those utilizing rich text editors or contenteditable regions, the browser must manage multiple asynchronous events such as keystrokes, clipboard actions, and script execution. When these processes are not strictly serialized or properly locked during critical state transitions, a race condition emerges where the application's internal state may be inconsistent between different threads of execution. This inconsistency allows an attacker to exploit timing gaps to manipulate how data is read from memory before it has been fully validated or sanitized by security checks designed to prevent unauthorized access or cross-site scripting attacks.
From a technical perspective, this vulnerability falls under CWE-362, which classifies race conditions as concurrent execution errors where the behavior of software depends on the relative timing of multiple events. In the context of Chromium-based browsers, such flaws often arise in the V8 JavaScript engine's interaction with the rendering pipeline or when handling clipboard data during editing operations. An attacker leveraging social engineering can craft a malicious HTML page that triggers specific sequences of user interactions and script executions designed to exploit this window of vulnerability. By carefully timing these actions, the attacker forces the browser into an inconsistent state where sensitive information stored in memory buffers associated with the current document or session is exposed prematurely. This exposure occurs before security filters have had the opportunity to sanitize the data or verify permissions, effectively bypassing standard content security policies and same-origin restrictions that rely on consistent application states.
The operational impact of this vulnerability is significant because it facilitates unauthorized information disclosure through a remote attack vector. Although exploitation requires social engineering to lure users into visiting a crafted webpage, once there, the attacker can potentially extract sensitive data such as session tokens, personal identifiable information, or confidential content currently being edited by the user. The Chromium security team has classified this issue with a medium severity rating, reflecting its potential for widespread impact due to Chrome's market dominance and the ease of distributing malicious web pages via phishing campaigns. Attackers do not need local access or elevated privileges on the victim's machine; instead, they rely entirely on browser-side execution within the sandboxed environment, exploiting logical flaws rather than memory corruption bugs like buffer overflows. This makes detection more difficult as traditional signature-based defenses may not flag the subtle timing anomalies involved in race condition exploitation.
Mitigation strategies primarily involve immediate software updates to address the underlying synchronization issues within the editing subsystem. Users and administrators should upgrade Google Chrome to version 154.0.8037.57 or later, where these concurrency flaws have been resolved through improved locking mechanisms and stricter validation of state transitions during edit operations. In environments where patching is delayed, defensive measures include disabling JavaScript execution for untrusted sites via strict content security policies and utilizing browser extensions that enforce sandboxed contexts with limited access to clipboard data. Additionally, user awareness training remains critical in mitigating the social engineering aspect of this threat, as preventing users from interacting with maliciously crafted pages eliminates the primary attack vector. Security teams should also monitor for anomalous behavior patterns indicative of automated exploitation attempts and ensure that endpoint detection systems are configured to flag unusual memory access patterns associated with race condition exploits.
This incident highlights the ongoing challenges in maintaining security within complex software ecosystems where performance optimization often competes with strict isolation guarantees. The ATT&CK framework categorizes such techniques under T1059, Command and Scripting Interpreter, specifically when scripts are used to automate browser actions for data exfiltration. Understanding these dynamics helps organizations prioritize patch management cycles and refine their web application security testing protocols to include concurrency-related vulnerabilities alongside more traditional injection flaws. By addressing race conditions at the source through rigorous code review and automated fuzzing that targets timing-sensitive logic paths, developers can significantly reduce the attack surface available to remote adversaries seeking to compromise user data integrity and confidentiality.