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CVE-2026-10015 Google CVE debrief

CVE-2026-10015 is an integer overflow vulnerability in the WTF (Web Template Framework) component of Google Chrome, affecting versions prior to 148.0.7778.216. The vulnerability was assigned a High severity rating by the Chromium security team. An integer overflow in WTF could allow a remote attacker to execute arbitrary code within the Chrome sandbox by enticing a user to visit a crafted HTML page. The vulnerability was disclosed on May 28, 2026, with Chrome stable channel update 148.0.7778.216 containing the fix. The underlying issue is tracked in the Chromium issue tracker.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-28
Original CVE updated
2026-05-29
Advisory published
2026-05-28
Advisory updated
2026-05-29

Who should care

Organizations with Chrome deployments, security teams managing browser security, end users with outdated Chrome installations, and developers of Chromium-based applications.

Technical summary

The vulnerability exists in the WTF (Web Template Framework) library used by Chrome's rendering engine. Integer overflows in memory allocation or buffer handling routines can lead to heap corruption, enabling attackers to achieve code execution despite Chrome's sandbox protections. The sandbox containment limits the attack to the renderer process, but combined with additional vulnerabilities could potentially lead to full system compromise. The fix in Chrome 148.0.7778.216 addresses the underlying arithmetic validation in WTF.

Defensive priority

high

Recommended defensive actions

  • Update Google Chrome to version 148.0.7778.216 or later immediately.
  • Verify Chrome auto-update is enabled and functioning in enterprise environments.
  • Monitor for unexpected browser crashes or sandbox escape attempts as potential exploitation indicators.
  • Review browser extension policies to reduce attack surface from untrusted web content.
  • Apply security updates to all Chromium-based browsers (Edge, Brave, Opera) once vendor patches are available.

Evidence notes

The CVE description identifies the vulnerability as an integer overflow in WTF with High severity. The Chrome Releases blog post for the stable channel update on May 28, 2026 provides the fixed version 148.0.7778.216. The Chromium issue tracker reference provides additional technical context. The NVD entry confirms the vulnerability status as 'Received' with references to both Google sources.

Official resources

2026-05-28