CVE-2026-14432 in Chrome
Summary
by MITRE • 07/02/2026
Use after free in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 07/02/2026
This vulnerability represents a critical use-after-free condition within the V8 JavaScript engine component of Google Chrome, affecting versions prior to 150.0.7871.46. The flaw occurs when the V8 engine improperly handles memory management during JavaScript object lifecycle operations, specifically when objects are freed from memory but references to them persist in the execution environment. This type of vulnerability falls under the CWE-416 category, which classifies use-after-free conditions as a fundamental memory safety issue that can lead to arbitrary code execution.
The technical implementation of this vulnerability involves the V8 engine's garbage collection mechanisms failing to properly track object references during complex JavaScript operations. When maliciously crafted HTML content triggers specific JavaScript code patterns, it can cause the engine to free memory associated with certain objects while maintaining active references to those freed memory locations. This creates a scenario where subsequent memory allocation operations can overwrite the freed memory region, allowing an attacker to inject and execute malicious code within the browser's sandboxed environment.
The operational impact of this vulnerability extends beyond typical browser exploitation vectors due to its ability to bypass the sandbox protection mechanisms that normally isolate web content from the underlying operating system. Attackers can leverage this flaw through crafted HTML pages delivered via phishing campaigns, compromised websites, or malicious advertisements, requiring no user interaction beyond visiting the malicious site. The medium severity classification reflects the complexity of exploitation requirements while acknowledging the potential for remote code execution within the browser's security boundaries.
The vulnerability demonstrates a classic memory safety issue that has been addressed through enhanced memory management checks and improved reference tracking within V8's garbage collection algorithms. Organizations should prioritize immediate patching of affected Chrome versions, as the exploitability of such vulnerabilities typically increases over time as attackers develop more sophisticated techniques. Security teams should also implement network-based protections including web application firewalls and content filtering systems to mitigate potential exploitation attempts while awaiting full patch deployment across all endpoints.
This incident aligns with common ATT&CK framework tactics related to initial access and privilege escalation through browser-based exploits, specifically targeting the T1059.007 technique for JavaScript-based execution and T1203 for exploitation of software vulnerabilities. The remediation strategy should include comprehensive browser update management, regular security assessments of web applications, and monitoring for potential exploitation attempts using network intrusion detection systems that can identify suspicious JavaScript patterns associated with memory corruption attacks.