Google Chrome Skia Sandbox Escape via Integer Overflow
Actively exploited in the wild. Patch or mitigate immediately — don't wait for a maintenance window.
An unauthenticated attacker, remotely over the network, if a user is tricked into opening a malicious file or link, can fully compromise the system — steal data, tamper with it and take it offline.
Integer overflow in Skia in Google Chrome prior to 112.0.5615.137 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Inferred from the weakness type (CWE) and how the flaw is reached — the techniques an attacker would chain to exploit this. Real-world corroboration appears here as threat intel is folded in.
Corroborated threat activity referencing this CVE — with source and confidence, not inference.
These techniques were analysed against this CVE's real-world exploitation — the matching entries in the ATT&CK chain above are marked “observed”.
Generated by Wavense from the CVE record — an immediate mitigation and the permanent fix.
Until patching is complete, deploy network-level filtering to block access to known malicious sites and implement web content filtering to reduce exposure to untrusted or suspicious web pages. Enhance endpoint detection and response (EDR) monitoring for unusual process creation, privilege escalation attempts, or suspicious network connections originating from browser processes. Educate users about the risks of visiting untrusted websites and opening suspicious links to minimize initial renderer compromise.
The permanent resolution is to immediately update all installations of Google Chrome to version 112.0.5615.137 or later. This update includes the necessary patch to remediate the integer overflow vulnerability in the Skia graphics library. Ensure all enterprise browser management systems are configured to deploy this critical update across the organization without delay.
An attacker, having already compromised the renderer process through a crafted HTML page, can exploit this integer overflow to escape the Chrome sandbox. This allows them to execute arbitrary code with greater privileges on the underlying operating system, potentially leading to full system compromise or data exfiltration. The severity of a sandbox escape is high, as it nullifies a critical security layer, exposing the user's system to direct threats.
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