CVE-2026-13783: Chrome Use-After-Free Vulnerability in Views Component

Technical summary

CVE-2026-13783 is a use-after-free (CWE-416) vulnerability in the Views subsystem of Google Chrome. The flaw occurs when the browser attempts to access memory that has already been freed, potentially leading to heap corruption. An attacker can trigger this condition by crafting malicious HTML content and convincing a user to interact with specific UI elements on the page. The vulnerability affects Chrome versions prior to 150.0.7871.47 across multiple operating systems. The attack vector is network-based with low complexity; no special privileges are required, though user interaction is mandatory. Google has assigned this a Critical severity rating internally, reflected in the CVSS 3.1 score of 8.8 (High).

Business impact

Organizations relying on Chrome for business-critical tasks face confidentiality, integrity, and availability risks. An exploited vulnerability could lead to theft of session tokens, credentials, or sensitive documents open in the browser; manipulation of web-based business applications; or denial of service through application crashes. The requirement for user interaction somewhat limits mass exploitation, but targeted campaigns against specific employees or customers remain feasible. Browsers are often the entry point for supply chain attacks, making this vulnerability relevant to broader IT risk management.

Affected systems

The vulnerability affects Google Chrome on Windows, macOS, and Linux systems running versions prior to 150.0.7871.47. While the source data lists Chrome as the primary affected product, the vendor/platform entries (Windows, macOS, Linux kernel) reflect the operating system contexts in which Chrome runs—not separate vulnerabilities in those kernels. Organizations should verify their Chrome installation versions and deployment scope, including any enterprise-managed Chrome instances.

Exploitability

Exploitation requires user interaction; an attacker cannot remotely trigger the vulnerability without a user visiting a malicious site and engaging in specific UI gestures. This raises the bar somewhat compared to completely remote code execution, but phishing, watering hole attacks, or social engineering remain practical attack vectors. The low attack complexity (AC:L) and network accessibility (AV:N) indicate that once a user lands on the malicious page, triggering the flaw is relatively straightforward. Public exploit code has not been confirmed to exist based on the provided data (KEV status: false), but organizations should not assume the vulnerability will remain unexploited indefinitely.

Remediation

The primary remediation is to update Google Chrome to version 150.0.7871.47 or later. This patch addresses the underlying use-after-free condition. Organizations managing Chrome through enterprise policy should prioritize deployment of the patched version through their update mechanisms. For users on consumer versions, automatic updates are recommended and should be enabled. Until patching is complete, users should avoid visiting untrusted websites and be cautious of links in emails or messages directing them to unfamiliar sites.

Patch guidance

Chrome automatically prompts users to update when a new version is available. Enterprise administrators should verify that Chrome update policies are configured to deploy version 150.0.7871.47 or later promptly. Organizations using Chrome for business applications should test the patched version in a non-production environment first to confirm compatibility with any custom web applications or extensions. Note the published date (June 30, 2026) and ensure your Chrome installation reflects a build date after the patch release. Use chrome://version in the address bar to verify your current version.

Detection guidance

Detection at the endpoint level is challenging because the vulnerability manifests as a memory corruption issue internal to the Chrome process. Network-based detection of the malicious HTML/JavaScript that triggers the flaw is possible if organizations run web traffic inspection tools, but evasion is feasible. Host-based monitoring for Chrome crashes or unusual process terminations may indicate exploitation attempts, though this is non-specific. The most reliable detection method remains inventory of Chrome versions in the environment—verify that all instances are at 150.0.7871.47 or later. Log user browsing activity for indicators of visits to known malicious domains if such intelligence becomes available post-disclosure.

Why prioritize this

This vulnerability merits high priority due to its critical internal severity rating, high CVSS score (8.8), broad platform availability, and the ubiquity of Chrome in both consumer and enterprise environments. While user interaction is required, the low attack complexity and network accessibility make it suitable for targeted campaigns. The memory corruption nature of use-after-free bugs often leads to reliable exploitation once techniques are developed. Organizations should prioritize patching within days rather than weeks.

Risk score, explained

The CVSS 3.1 score of 8.8 reflects a network-accessible vulnerability requiring only user interaction, with the potential to compromise confidentiality, integrity, and availability (C:H/I:H/A:H). The score does not account for the fact that no public exploit or widespread campaign has been confirmed (KEV status: false), which may offer some temporal relief. However, the attack surface—any website a user visits—and the nature of memory corruption vulnerabilities warrant treating this as a high-risk issue regardless of current exploitation activity. Internal Chromium severity of Critical indicates Google's assessment of the bug's exploitability and impact potential.

Frequently asked questions