CVE-2026-19175 in Chrome
Summary
by MITRE • 08/07/2026
Use after free in Payments in Google Chrome prior to 151.0.7922.109 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 08/07/2026
This vulnerability represents a critical use-after-free condition in the payments functionality of google chrome browsers running versions prior to 151.0.7922.109. The flaw occurs within the browser's sandboxed environment where memory management errors can potentially be exploited to bypass security boundaries. The technical implementation involves a scenario where memory allocated for payment processing operations is freed from memory but subsequently accessed by malicious code, creating an opportunity for arbitrary code execution. This type of vulnerability falls under the common weakness enumeration category CWE-416 which specifically addresses use-after-free conditions in software implementations. The security implications are particularly severe because the vulnerability exists within the payments subsystem, a component that handles sensitive financial data and transactions. Attackers can craft malicious html pages that trigger this memory management error when users interact with payment-related web content, potentially allowing them to escape the browser sandbox and execute code with elevated privileges.
The operational impact of this vulnerability extends beyond simple remote code execution as it specifically targets the core security model of modern browsers. When a user visits a compromised webpage containing the malicious payload, the use-after-free condition can be triggered during normal payment processing operations. This could enable attackers to gain access to sensitive user data including financial information, personal identifiers, and potentially escalate their privileges to execute system-level commands. The chromium security severity rating of high reflects the potential for significant damage to user privacy and system integrity. According to the attack pattern taxonomy, this vulnerability would be classified under techniques involving sandbox escape and privilege escalation within the attack chain. The exploitation typically requires social engineering to get users to visit malicious websites, making it particularly dangerous in real-world scenarios where user interaction is necessary to trigger the vulnerable code path.
Mitigation strategies for this vulnerability require immediate patching of affected chrome browser versions to 151.0.7922.109 or later releases which contain the necessary memory management fixes and security hardening measures. Organizations should implement proactive monitoring for any attempts to access known malicious domains that might exploit this vulnerability, particularly those related to payment processing websites. Browser security configurations should be reviewed to ensure that sandboxing mechanisms remain properly enforced even when users visit untrusted websites. Security teams should also consider implementing content security policies and enhanced web filtering solutions to prevent access to potentially malicious content. The fix implemented by google addresses the underlying memory management issue through proper deallocation and access validation procedures, preventing the reuse of freed memory blocks that could be manipulated by attackers. Additionally, browser vendors should continue to implement robust memory safety mechanisms such as address space layout randomization and heap metadata protection to further reduce the exploitability of similar vulnerabilities in payment processing components.