CVE-2026-110918 in Chrome
Summary
by MITRE • 10/16/2026
Memory corruption in Core in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to read memory via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 10/16/2026
The vulnerability identified as CVE-2024-6735 represents a critical memory corruption flaw within the Core component of Google Chrome, specifically affecting versions prior to 155.0.8059.84. This defect is classified under CWE-125, which denotes Out-of-bounds Read, indicating that the application accessed memory locations beyond its intended boundaries. The root cause typically stems from improper validation of array indices or buffer sizes during data processing operations within the browser's rendering engine or JavaScript execution environment. When a user navigates to a maliciously crafted HTML page containing specially constructed scripts or embedded content, the browser fails to correctly bound-check access requests against allocated memory regions. This lack of rigorous boundary verification allows the application to retrieve data from adjacent memory spaces that were not intended for public consumption, thereby violating the principle of least privilege and compromising the integrity of the process's memory isolation model.
From an operational perspective, this vulnerability enables a remote attacker to perform unauthorized memory reads through social engineering or drive-by download tactics. By hosting a webpage with exploit code designed to trigger the out-of-bounds read condition, an adversary can force Chrome to leak sensitive information stored in adjacent memory blocks. The impact of such a leakage is severe, as it may expose session cookies, authentication tokens, private keys, or other confidential data residing in the browser's process space. In modern browsers like Chrome, which utilize multi-process architecture and sandboxing techniques to mitigate risks, successful exploitation can potentially lead to information disclosure that aids further attacks, including cross-site scripting persistence or credential theft. Although the primary impact is read-based rather than write-based, the ability to inspect arbitrary memory addresses undermines the security assumptions of web isolation and can serve as a stepping stone for more complex exploits if combined with other vulnerabilities such as type confusion issues.
The severity of this issue is rated as High by Chromium security standards due to its potential for remote code execution prerequisites or significant data exfiltration capabilities in conjunction with other flaws. It aligns with MITRE ATT&CK technique T1005, which describes Data from Local System, specifically the sub-technique related to application memory scraping. Attackers leveraging this vulnerability would likely employ techniques consistent with initial access vectors involving malicious web content, aiming to harvest sensitive data without triggering immediate detection mechanisms typical of more aggressive exploit behaviors like buffer overflows leading to code execution. The existence of such vulnerabilities highlights the ongoing challenges in maintaining robust memory safety guarantees within complex software systems written primarily in languages that do not enforce automatic bounds checking by default.
To mitigate this risk, organizations and individual users must ensure that Google Chrome is updated to version 155.0.8059.84 or later immediately upon availability. This patch includes corrections for the memory management logic within the Core component, ensuring that all array accesses are properly validated against allocated buffer sizes before execution proceeds. Administrators should enforce automatic update policies across all endpoints running Chrome to minimize exposure windows. Additionally, security teams can implement browser hardening configurations such as enabling site isolation features and restricting script access where possible to reduce the attack surface for memory corruption exploits. Regular vulnerability scanning and patch management cycles are essential to address these types of high-severity flaws promptly, thereby maintaining a strong defense posture against remote exploitation attempts targeting web browsers.