CVE-2026-78903

ADVISORY - nist

Summary

Incomplete cleanup in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

EPSS Score⁠: 0.00279 (0.199)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-459⁠

Incomplete Cleanup

Impacted images

Advisories

NIST

CREATED

2 days ago

UPDATED

11 hours ago

ADVISORY IDCVE-2026-78903⁠

EXPLOITABILITY SCORE

1.6

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-459⁠

CVSS SCORE

3.1low

Debian

CREATED

16 hours ago

UPDATED

16 hours ago

ADVISORY IDCVE-2026-78903⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

8 hours ago

UPDATED

8 hours ago

ADVISORY IDCVE-2026-78903⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium