What is CVE-2026-8564?

CVE-2026-8564 is a medium-severity vulnerability in Apple Macos, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.2/10. Published 2026-05-14.

How severe is CVE-2026-8564?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Vulnerability in Apple Macos

CVE-2026-8564

Incorrect security UI in Downloads in Google Chrome on Android and Mac prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

EPSS: 0.001 (19.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L.

Affected products

Apple Macos
Google Android
Google Chrome — versions 148.0.7778.168

Weakness classification (CWE)

CWE-451 — User Interface (UI) Misrepresentation of Critical Information

References

chrome-cve-admin@google.com (Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-8564?: CVE-2026-8564 is a medium-severity vulnerability in Apple Macos, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.2/10. Published 2026-05-14.
How severe is CVE-2026-8564?: Medium severity. CVSS v3 base score is 4.2 out of 10.