CVE-2026-19158 in Chrome
Summary
by MITRE • 08/07/2026
Use after free in Views in Google Chrome on Windows prior to 151.0.7922.109 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 08/07/2026
This vulnerability represents a critical use-after-free condition in the Views component of Google Chrome on Windows systems, affecting versions prior to 151.0.7922.109. The flaw resides within the browser's user interface rendering system where improper memory management allows attackers to manipulate the heap through carefully crafted HTML content. The vulnerability is classified as high severity by Chromium security standards and demonstrates a classic memory safety issue that can lead to arbitrary code execution.
The technical exploitation occurs when a remote attacker crafts an HTML page that triggers specific UI gestures within the Chrome browser's Views framework. This manipulation causes the application to access memory locations that have already been freed, creating opportunities for heap corruption. The Views component in Chrome handles various user interface elements including window management, dialog boxes, and interactive controls, making it a prime target for such memory safety exploits. When the browser processes malicious content that interacts with these UI components, the use-after-free condition manifests during memory deallocation operations.
The operational impact of this vulnerability extends beyond simple browser compromise as it enables attackers to execute arbitrary code on affected systems with the privileges of the Chrome process. This represents a significant threat vector since modern browsers often run with elevated permissions and have access to system resources through various APIs. The attack requires user interaction through specific UI gestures, which means social engineering may be necessary to achieve successful exploitation. However, once triggered, the vulnerability can lead to complete system compromise, data theft, or persistence mechanisms being established.
The underlying cause of this issue stems from inadequate memory management practices within Chrome's Views implementation where object references are not properly validated before access. This aligns with common CWE classifications for memory safety vulnerabilities and represents a failure in proper resource lifecycle management. The vulnerability demonstrates the challenges inherent in maintaining secure UI frameworks where complex interactions between different components can create unexpected memory access patterns. Security researchers have identified this as a prime example of how seemingly isolated UI components can become entry points for broader system compromise.
Mitigation strategies should focus on immediate patching of affected Chrome versions to 151.0.7922.109 or later, which contains the necessary fixes for the memory management issues in the Views framework. Additionally, organizations should implement browser hardening measures including sandboxing, content security policies, and restricted browsing environments to limit potential damage from successful exploitation attempts. Network-level protections such as web application firewalls and DNS filtering can provide additional defense-in-depth layers, while user education regarding suspicious website interactions remains crucial for preventing successful social engineering attacks that might leverage this vulnerability.