CVE-2026-113213 in Chrome
Summary
by MITRE • 10/21/2026
Memory corruption in DevTools in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 10/21/2026
The vulnerability identified as a memory corruption flaw within the DevTools component of Google Chrome prior to version 156.0.8078.47 represents a significant breach in browser security architecture, despite being classified with low severity by Chromium developers. This issue stems from improper handling of memory allocation and deallocation processes during the execution of specific operations within the developer tools interface. When an attacker crafts a malicious HTML page designed to exploit this flaw, they can trigger conditions that lead to heap corruption or use-after-free scenarios. The core technical failure lies in the inability of the DevTools subsystem to correctly validate object lifecycles and memory boundaries when interacting with web content, allowing for unauthorized manipulation of internal data structures.
The operational impact of this vulnerability is particularly concerning due to its potential for remote code execution within a sandboxed environment. Although Chrome employs robust sandboxing mechanisms designed to isolate browser processes from the underlying operating system, successful exploitation of this flaw allows an attacker to bypass these protections. By leveraging the crafted HTML page, which can be delivered via phishing campaigns or malicious websites, the adversary gains the ability to execute arbitrary code with the privileges of the compromised process. This effectively neutralizes the security boundary intended to protect user data and system integrity from untrusted web content.
From a classification perspective, this vulnerability aligns closely with CWE-120 Buffer Overflow without bounds checking and CWE-416 Use After Free, depending on the specific memory corruption mechanism triggered during exploitation. These categories highlight fundamental errors in how software manages dynamic memory resources. The attack vector is classified under MITRE ATT&CK technique T1189 Drive-by Compromise, where users are lured to a malicious site that exploits vulnerabilities in their browser or plugins without requiring any user interaction beyond visiting the page. This underscores the risk posed by passive exploitation methods that rely on social engineering combined with technical exploit chains.
Mitigation strategies primarily involve immediate patching of the affected Chrome versions to version 156.0.8078.47 or later, where these memory management issues have been resolved through rigorous code audits and fuzz testing. Organizations should enforce automated update policies for all endpoints running Google Chrome to ensure timely application of security patches. Additionally, implementing strict content security policies can help mitigate the risk by restricting the types of scripts and resources that browsers are allowed to execute from untrusted origins. Security teams should also monitor for indicators of compromise associated with drive-by download attacks targeting browser vulnerabilities, ensuring rapid detection and response capabilities are in place to address potential breaches resulting from such exploits.