CVE-2026-11137 in Chrome
Summary
by MITRE • 06/05/2026
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 06/05/2026
The vulnerability under discussion represents an uninitialized memory access issue within the ANGLE graphics library component of Google Chrome, specifically affecting versions prior to 149.0.7827.53. ANGLE serves as a graphics library that translates OpenGL ES commands into DirectX on Windows systems, providing a crucial bridge for WebGL and other graphics-intensive web applications. This particular flaw manifests as an uninitialized use condition where the software attempts to access memory locations that have not been properly initialized, potentially exposing sensitive data from process memory. The vulnerability is classified as a medium severity issue by Chromium security standards, indicating a moderate risk to user systems.
The technical nature of this vulnerability stems from improper memory management within the ANGLE implementation where variables or memory regions are accessed before being properly initialized with valid data. This uninitialized memory access can occur during graphics processing operations when the application fails to properly set up memory buffers or data structures before utilizing them. Attackers can exploit this condition by crafting malicious HTML pages that trigger specific graphics rendering paths within Chrome's ANGLE component, causing the uninitialized memory to be read and potentially exposing information such as stack contents, heap data, or other sensitive process information. The attack vector relies on the victim visiting a compromised webpage that contains malicious WebGL or graphics code designed to trigger the vulnerable code path.
The operational impact of this vulnerability extends beyond simple information disclosure, as the exposure of process memory can potentially reveal sensitive data that might aid attackers in subsequent exploitation attempts. An attacker who successfully exploits this vulnerability could potentially obtain cryptographic keys, session tokens, or other confidential information stored in memory, which could then be used for more sophisticated attacks such as privilege escalation or credential theft. The medium severity classification indicates that while the immediate impact is limited to information disclosure, the potential for escalation exists, particularly when combined with other vulnerabilities. This type of vulnerability is particularly concerning in modern browser environments where web applications have extensive access to system resources and user data.
Mitigation strategies for this vulnerability primarily focus on updating to the patched version of Google Chrome, specifically version 149.0.7827.53 or later, which contains the necessary fixes to properly initialize memory regions before access. System administrators should prioritize deployment of this update across all affected systems, particularly in enterprise environments where browser security is paramount. Additional protective measures include implementing strict content security policies, enabling sandboxing features, and utilizing web application firewalls to filter potentially malicious content. From a compliance perspective, this vulnerability aligns with CWE-457, which describes "Use of Uninitialized Variable" and falls under the broader category of memory safety issues. Organizations should also consider implementing monitoring for unusual memory access patterns and regular security assessments to identify similar vulnerabilities in other components of their browser stack. The ATT&CK framework categorizes this type of vulnerability under technique T1059 for execution through web-based attack vectors, highlighting the importance of web browser security in overall enterprise defense strategies.