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Exploits
ID:12987 - Exploit for Incomplete cleanup in Google Chromium - CVE-2026-78903
ID:12987 - Exploit for Incomplete cleanup in Google Chromium - CVE-2026-78903
Published: August 31, 2026
Vulnerability identifier: #VU145606
Vulnerability risk: Medium
CVE-ID: CVE-2026-78903
CWE-ID: CWE-459
Exploitation vector: Remote access
Vulnerable software:
Google Chromium
Microsoft Edge
Google Chrome
Google Chromium
Microsoft Edge
Google Chrome
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to bypass site isolation protections.
The vulnerability exists due to incomplete cleanup in SiteIsolation when rendering content. A remote attacker can trigger the vulnerable behavior to bypass site isolation protections.
User interaction is required.
Remediation
Install security update from vendor's website.