CVE-2026-17712 in Chrome
Summary
by MITRE • 07/30/2026
Race in Skia in Google Chrome on Mac prior to 151.0.7922.72 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 07/30/2026
This vulnerability represents a critical race condition flaw within the Skia graphics library component that is integral to Google Chrome's rendering engine on macOS platforms. The issue stems from improper synchronization mechanisms during concurrent operations within the graphics processing pipeline, creating a temporal window where malicious code can exploit inconsistent states. The vulnerability was specifically present in Chrome versions prior to 151.0.7922.72 and allowed remote attackers to bypass sandbox restrictions through carefully crafted HTML content that triggered the race condition during graphic rendering operations.
The technical exploitation occurs when a malicious webpage loads content that exercises Skia's graphics processing functions in a manner that creates competing threads or processes accessing shared memory locations without proper mutual exclusion controls. This race condition manifests as a timing-dependent vulnerability where the attacker can manipulate execution flow by controlling the precise sequence of operations during concurrent access to sensitive resources. The flaw falls under CWE-362 which specifically addresses Race Conditions, and more precisely aligns with CWE-367 which covers Time-of-Check to Time-of-Use vulnerabilities that are particularly relevant in multi-threaded graphics processing environments.
Operational impact of this vulnerability extends beyond simple privilege escalation as it enables attackers to execute arbitrary code within Chrome's sandboxed environment, effectively compromising the browser's security model. The sandbox isolation mechanisms that normally protect users from malicious content become ineffective when attackers can leverage such low-level race conditions to gain unauthorized access to system resources. This represents a significant threat vector for phishing attacks, drive-by downloads, and other web-based exploitation techniques where adversaries can reliably execute malicious payloads without requiring user interaction beyond visiting a compromised website.
Mitigation strategies should focus on immediate patch deployment to Chrome versions 151.0.7922.72 and later, which contain the necessary synchronization fixes for the Skia library race condition. Organizations should also implement network-level protections such as content filtering systems that can detect and block known malicious HTML patterns associated with this vulnerability class. Browser hardening measures including enhanced sandbox configurations, disabling unnecessary graphics features, and implementing strict content security policies can provide additional defense layers. From an ATT&CK framework perspective, this vulnerability maps to technique T1059.007 for command and scripting interpreter and T1566 for credential harvesting through web-based attacks, making it particularly dangerous in enterprise environments where browser-based threats are common vectors for lateral movement and data exfiltration.