CVE-2026-8563 — MEDIUM (4.3)

Q: How severe is CVE-2026-8563?

CVE-2026-8563 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-8563?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Microsoft Windows.

Vulnerability Description

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)

CVSS Score

4.3

MEDIUM

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

Affected Products

Vendor	Product	Versions
Google	Chrome	< 148.0.7778.168
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-693

References

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_Vendor Advisory
https://issues.chromium.org/issues/40061220Permissions Required

FAQ

What is CVE-2026-8563?

CVE-2026-8563 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 sec...

How severe is CVE-2026-8563?

CVE-2026-8563 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8563?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Microsoft Windows.