CVE-2026-10885 in Chrome
Summary
by MITRE • 06/05/2026
Use after free in Chrome for iOS in Google Chrome on iOS prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
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Analysis
by VulDB Data Team • 06/05/2026
This vulnerability represents a critical use-after-free flaw in Google Chrome for iOS that existed prior to version 149.0.7827.53, demonstrating a severe memory safety issue that could be exploited remotely. The vulnerability falls under the CWE-416 category of use-after-free conditions, where a program continues to reference memory after it has been freed, creating potential for arbitrary code execution. The flaw specifically affected the iOS implementation of Chrome, making it particularly concerning given the mobile browser's widespread usage and the privileged nature of browser processes. Attackers could craft malicious HTML pages that would trigger this memory corruption issue when rendered by the browser, exploiting the underlying memory management error to gain control over the execution flow.
The technical nature of this vulnerability stems from improper memory management within Chrome's iOS rendering engine, where objects were being accessed after their memory had been deallocated and potentially repurposed by the system. This type of memory corruption vulnerability allows attackers to manipulate the program's execution flow by controlling what happens when freed memory is reallocated and accessed. The Chromium security severity rating of critical indicates the high potential for exploitation, as use-after-free conditions often provide attackers with direct control over memory layout and execution paths. The vulnerability could be triggered through web-based attacks without requiring any user interaction beyond visiting a malicious website, making it particularly dangerous in the mobile environment where users frequently browse untrusted content.
The operational impact of this vulnerability extends beyond simple code execution to potentially compromise the entire mobile device, as Chrome for iOS operates with significant privileges and access to user data. Mobile browsers like Chrome for iOS are often used to access sensitive information including financial data, personal communications, and corporate resources, making this vulnerability particularly attractive to threat actors. The remote exploitation capability means that attackers could compromise devices simply by hosting malicious content, eliminating the need for physical access or complex attack chains. This vulnerability could be leveraged to install malware, steal user credentials, access device storage, or perform other malicious activities that would normally require more sophisticated attack vectors.
Mitigation strategies for this vulnerability primarily focus on immediate remediation through software updates, as the fix was provided in Chrome version 149.0.7827.53 and subsequent releases. Users should prioritize updating their Chrome for iOS applications to the latest versions to eliminate the risk of exploitation. Organizations should implement network-level protections such as web application firewalls and content filtering systems to block known malicious domains, though this approach provides only partial protection since the vulnerability can be exploited through various attack vectors. Security monitoring should include detection of suspicious web traffic patterns and attempts to access known malicious domains. Additionally, users should maintain awareness of phishing attempts and avoid visiting untrusted websites, while system administrators should ensure that mobile device management solutions are configured to enforce automatic updates for browser applications. The vulnerability highlights the importance of regular security updates and proper memory management practices in browser implementations, aligning with ATT&CK technique T1059.007 for command and scripting interpreter and T1566 for phishing, as the attack chain typically involves initial access through web-based delivery mechanisms.