Cross-Origin Data Exposure in Google Chrome

CVE-2026-126856

What is CVE-2026-126856?

A vulnerability exists in Google Chrome due to incomplete cleanup in its cache mechanism. This flaw could allow an attacker to exploit crafted HTML pages to gain unauthorized access to cross-origin data. Users with versions of Google Chrome before 157.0.8103.78 are particularly at risk, as the lack of proper dataset management facilitates the exploitation of this weakness. It highlights the importance of regular updates and patches to maintain security against evolving threats.

References