CVE-2026-15109 in Chrome
Summary
by MITRE • 07/09/2026
Uninitialized Use in ANGLE in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 07/09/2026
The vulnerability under discussion represents an uninitialized variable issue within the ANGLE graphics library component that is integral to Google Chrome's rendering pipeline. This flaw exists in versions prior to 150.0.7871.115 and constitutes a high-severity security concern according to Chromium's assessment. The ANGLE library serves as a translation layer that converts OpenGL ES commands into DirectX commands on Windows platforms, making it a critical component for graphics processing within the browser environment. When uninitialized variables are accessed in memory operations, they can contain residual data from previous operations, potentially exposing sensitive information that may have been stored in those memory locations.
The technical exploitation of this vulnerability occurs through a specially crafted HTML page that triggers specific code paths within the ANGLE library where uninitialized variables are read without proper initialization. This type of flaw falls under the CWE-457 category of "Use of Uninitialized Variable" which is classified as a fundamental programming error that can lead to information disclosure, denial of service, or potentially more severe consequences depending on the data contained in the uninitialized memory regions. The vulnerability demonstrates how graphics rendering libraries can become attack vectors when proper input validation and variable initialization protocols are not maintained during development.
From an operational perspective, this vulnerability allows remote attackers to potentially extract sensitive information from process memory through carefully constructed web content. The impact extends beyond simple information disclosure as the leaked memory contents could contain cryptographic keys, user credentials, session tokens, or other confidential data that might be stored in memory locations previously used by the browser process. Attackers could leverage this weakness to build more sophisticated attacks, potentially combining it with other vulnerabilities to achieve privilege escalation or complete system compromise. The fact that this affects the graphics rendering subsystem means that even benign-looking web pages could serve as delivery mechanisms for this type of attack.
The mitigation strategies for this vulnerability primarily involve updating to Chrome version 150.0.7871.115 or later where the uninitialized variable issue has been addressed through proper code initialization and memory management practices. System administrators should prioritize patching affected systems and monitor for any exploitation attempts in their network traffic. Organizations may also implement additional security controls such as content security policies, web application firewalls, and regular vulnerability assessments to reduce the attack surface. The remediation process should include comprehensive testing to ensure that the update does not introduce compatibility issues with existing applications while maintaining the security improvements. This vulnerability highlights the importance of thorough code review processes and automated security testing in graphics and rendering libraries where memory safety is paramount for preventing information disclosure attacks that could compromise user data confidentiality.