CVE-2026-13783 in Chrome
Summary
by MITRE • 07/01/2026
Use after free in Views in Google Chrome prior to 150.0.7871.47 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: Critical)
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Analysis
by VulDB Data Team • 07/01/2026
This vulnerability represents a critical use-after-free condition in the Views component of Google Chrome, affecting versions prior to 150.0.7871.47. The flaw manifests within the browser's user interface rendering system where memory objects are improperly freed while still being referenced by active code paths. When an attacker crafts a malicious HTML page and persuades a victim to perform specific UI interactions such as mouse movements, clicks, or keyboard inputs, the browser's rendering engine can attempt to access memory that has already been deallocated, leading to heap corruption.
The technical exploitation occurs through the Views framework's handling of UI elements and their associated memory management. When UI gestures trigger specific code paths in the browser's rendering pipeline, the system fails to properly validate object lifetimes before accessing freed memory regions. This creates a scenario where attackers can manipulate the browser's memory layout to execute arbitrary code or cause crashes that may be leveraged for privilege escalation. The vulnerability falls under CWE-416 which specifically addresses use-after-free conditions in software systems.
From an operational perspective, this critical severity flaw enables remote code execution attacks without requiring user interaction beyond visiting a malicious webpage and performing simple UI gestures. Attackers can craft HTML pages that, when loaded in Chrome, will trigger the vulnerable code path upon normal user interactions such as hovering over elements or clicking buttons. The heap corruption resulting from this use-after-free condition can be exploited to overwrite critical memory structures, potentially allowing attackers to execute malicious code with the privileges of the browser process.
The exploitation requires minimal user interaction beyond visiting a compromised website and performing standard UI gestures, making it particularly dangerous in real-world scenarios. This vulnerability aligns with ATT&CK technique T1059 which covers command and scripting interpreter usage, as successful exploitation could lead to full system compromise through browser-based attack vectors. Organizations should immediately update to Chrome version 150.0.7871.47 or later to mitigate this risk, as the fix addresses the underlying memory management issue in the Views component's object lifecycle handling.
Security researchers have identified that this vulnerability demonstrates poor memory management practices in the browser's UI subsystem, where proper reference counting and object lifetime validation were insufficient. The fix implemented by Google involves strengthening memory validation checks within the Views framework to prevent access to freed objects during UI event processing. This represents a fundamental security improvement in how Chrome handles user interface element lifecycles and memory cleanup operations, addressing a critical gap that could be exploited for remote code execution attacks.