CVE-2026-7932 in Chrome
Summary
by MITRE • 05/06/2026
Insufficient policy enforcement in Downloads in Google Chrome prior to 148.0.7778.96 allowed a local attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)
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Analysis
by VulDB Data Team • 05/17/2026
This vulnerability represents a critical policy enforcement failure within Google Chrome's download handling mechanism that could be exploited by local attackers to circumvent intended navigation restrictions. The flaw existed in Chrome versions prior to 148.0.7778.96 and specifically targeted the browser's download policy enforcement system, which is designed to prevent unauthorized file transfers and restrict user access to potentially harmful content. The vulnerability stems from insufficient validation of download requests and their associated navigation policies, allowing malicious actors to craft HTML pages that could bypass these protective measures.
The technical implementation of this flaw involves the browser's failure to properly enforce security policies when processing download requests initiated through crafted HTML content. Attackers could construct malicious web pages that exploit the gap in policy enforcement by manipulating how download operations are interpreted and executed within the browser's security context. This allows for bypassing restrictions that would normally prevent downloads from certain domains or prevent navigation to specific URLs, effectively creating a pathway for unauthorized content access and potential malware delivery.
From an operational impact perspective, this vulnerability creates significant risk for users who encounter malicious web content, particularly in environments where strict download policies are enforced. The medium severity rating indicates that while the attack vector requires local access and specific conditions, the potential for privilege escalation and unauthorized data access remains substantial. Security administrators may observe unexpected download behaviors or unauthorized file transfers that could indicate exploitation attempts, making this vulnerability particularly concerning for enterprise environments with strict security controls.
The vulnerability aligns with CWE-693, which addresses Protection Mechanism Failure, specifically in the context of policy enforcement mechanisms. It also relates to ATT&CK technique T1195.001 for Phishing: Spearphishing Attachment and T1059.001 for Command and Scripting Interpreter, as it enables attackers to deliver malicious payloads through crafted web content and potentially execute unauthorized operations. Organizations should prioritize immediate patching of affected Chrome versions and implement additional monitoring for unusual download patterns or navigation behaviors that might indicate exploitation attempts.
Mitigation strategies should include immediate deployment of Chrome version 148.0.7778.96 or later, which contains the necessary policy enforcement fixes. Network administrators should also implement enhanced monitoring of download activities and consider implementing additional layers of content filtering or sandboxing for high-risk environments. Security teams should review existing download policies and ensure they account for potential bypass mechanisms, while also maintaining vigilance for any indicators of exploitation attempts that might manifest as unexpected network connections or file system modifications related to download operations.