CVE-2026-11005 in Chrome
Summary
by MITRE • 06/05/2026
Out of bounds read in ANGLE in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process 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 • 06/07/2026
This vulnerability represents a critical out-of-bounds memory read flaw within the ANGLE graphics library component that forms part of Google Chrome's rendering stack on Windows systems. The issue manifests when Chrome processes specially crafted HTML content that triggers malformed graphics operations, allowing an attacker who has already compromised the renderer process to potentially extract sensitive data from adjacent memory locations. The vulnerability stems from insufficient bounds checking in ANGLE's graphics processing routines, specifically when handling certain WebGL or Direct3D operations that involve texture sampling or shader execution. According to chromium security severity classification, this represents a medium severity issue, though its exploitation potential remains significant given that it occurs within a process that has already been compromised, making it particularly dangerous in targeted attack scenarios.
The technical implementation of this vulnerability involves ANGLE's handling of graphics command buffers where insufficient validation occurs before memory access operations. When a malicious webpage triggers specific graphics rendering operations, the library fails to properly verify array indices or buffer boundaries before accessing memory locations, leading to information disclosure through accidental memory reads. This flaw operates at the intersection of graphics processing and memory safety, where the graphics subsystem's assumptions about data integrity are violated. The vulnerability is particularly concerning because it can be exploited to extract potentially sensitive information such as cryptographic keys, user credentials, or other confidential data that may reside in adjacent memory regions. The exploitation requires an attacker to already have compromised the renderer process through a separate initial vulnerability, but once achieved, this flaw provides a mechanism for information extraction that can be leveraged for further attacks.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can serve as a stepping stone for more sophisticated attacks within the compromised browser environment. An attacker who successfully exploits this vulnerability could potentially gather enough information to reconstruct memory layouts, identify security mechanisms, or extract credentials stored in memory, thereby enabling more advanced persistent threats. The attack vector requires a crafted HTML page delivered through web-based channels, making it particularly dangerous in phishing campaigns or drive-by download scenarios where users might be tricked into visiting malicious websites. The vulnerability affects all Windows versions of Chrome prior to version 149.0.7827.53, representing a substantial attack surface given Chrome's widespread usage. Organizations should note that this vulnerability aligns with common attack patterns found in the attack technique matrix, particularly in the information gathering and credential access categories, where adversaries seek to extract sensitive data from compromised systems.
Mitigation strategies should focus on immediate patch deployment to update Chrome to version 149.0.7827.53 or later, which contains the necessary fixes for the bounds checking issues in ANGLE's graphics processing components. Security teams should also implement network-based protections such as web application firewalls and content filtering systems that can detect and block known malicious HTML patterns that might trigger this vulnerability. Additionally, browser hardening measures including sandboxing enforcement, strict memory access controls, and process isolation should be maintained to limit the potential impact of any successful exploitation attempts. The vulnerability demonstrates the importance of comprehensive memory safety testing in graphics libraries and highlights the need for robust bounds checking mechanisms in all system components that handle untrusted input data. Organizations should also consider implementing monitoring solutions that can detect anomalous memory access patterns or information disclosure attempts that might indicate exploitation of similar vulnerabilities.