CVE-2026-113182 in Chrome
Summary
by MITRE • 10/21/2026
Memory corruption in Passwords 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 described involves a memory corruption flaw within the password management subsystem of Google Chrome, specifically in versions prior to 156.0.8078.47. This defect allows for arbitrary code execution by an attacker who can trick a user into visiting a specially crafted HTML page. Although the Chromium project has classified this issue with a Low security severity rating, it represents a significant risk due to its potential impact on system integrity and data confidentiality. The core of the vulnerability lies in how Chrome handles memory allocation and deallocation for password-related objects during rendering or processing of web content. When an attacker constructs a malicious webpage that triggers specific edge cases within the browser's internal logic, they can exploit improper bounds checking or use-after-free conditions to corrupt adjacent memory structures. This corruption enables the injection and execution of arbitrary machine code within the context of the Chrome process.
From a technical perspective, this type of vulnerability is typically categorized under CWE-120 Buffer Overflow or CWE-416 Use After Free, depending on the specific mechanism exploited by the attacker. The attack vector relies heavily on social engineering elements where the victim must interact with the malicious content, either through direct navigation to a crafted URL or via drive-by download techniques embedded in an HTML page. Once executed, the code runs within Chrome's sandboxed environment. While modern browsers employ robust sandboxing mechanisms designed to isolate processes and limit the damage of successful exploits, memory corruption vulnerabilities remain critical because they can potentially lead to sandbox escapes if combined with other zero-day flaws or through sophisticated exploitation chains that target known weaknesses in the isolation boundaries.
The operational impact of this vulnerability extends beyond immediate code execution within the browser process. If an attacker successfully executes arbitrary code, they may gain access to sensitive user data stored locally by Chrome, including saved passwords, autofill information, and browsing history. Furthermore, depending on the effectiveness of the sandboxing implementation at the time of exploitation, there is a risk that the attacker could escalate privileges beyond the browser's restricted context, potentially compromising the underlying operating system. This highlights the importance of maintaining up-to-date software versions to ensure that patches for such memory safety issues are applied promptly before they can be weaponized in widespread attacks.
Mitigation strategies primarily involve updating Google Chrome to version 156.0.8078.47 or later, which contains fixes for this specific memory corruption issue. Organizations should enforce automated update policies across all endpoints to minimize the window of exposure. Additionally, users are advised to exercise caution when visiting unfamiliar websites and to utilize browser extensions that provide additional security layers such as script blocking or phishing protection. Security teams should also monitor threat intelligence feeds for indicators of compromise associated with exploit kits targeting this vulnerability. Adhering to industry standards like MITRE ATT&CK technique T1203 Exploitation for Client Execution can help in detecting attempts to leverage similar vulnerabilities through behavioral analysis and endpoint detection systems that flag suspicious process creation or memory access patterns originating from browser processes.