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Google Chrome CVE-2026-8563

| EUVD-2026-30380 MEDIUM
Protection Mechanism Failure (CWE-693)
2026-05-14 Chrome GHSA-g2gq-v6g9-5365
Authentication Bypass Google Microsoft Red Hat Suse
4.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
May 15, 2026 - 16:22 vuln.today
CVSS changed
May 15, 2026 - 16:22 NVD
4.3 (MEDIUM)
CVE Published
May 14, 2026 - 19:52 nvd
UNKNOWN (no severity yet)

DescriptionNVD

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

AnalysisAI

Navigation restrictions can be bypassed in Google Chrome for Windows versions prior to 148.0.7778.168 when attackers craft malicious HTML pages that exploit insufficient sandbox policy enforcement in iframe elements. User interaction (opening/visiting the crafted page) is required for exploitation. …

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CVE-2026-8563 vulnerability details – vuln.today
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