What is CVE-2026-8517?

CVE-2026-8517 is a high-severity vulnerability in Apple Macos, classified under CWE-664. CVSS score: 8.8/10. Published 2026-05-14.

How severe is CVE-2026-8517?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Apple Macos

CVE-2026-8517

Object lifecycle issue in WebShare in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security sever…

EPSS: 0.001 (23.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Macos
Google Chrome — versions 148.0.7778.168

Weakness classification (CWE)

CWE-664

References

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

Frequently asked questions

What is CVE-2026-8517?: CVE-2026-8517 is a high-severity vulnerability in Apple Macos, classified under CWE-664. CVSS score: 8.8/10. Published 2026-05-14.
How severe is CVE-2026-8517?: High severity. CVSS v3 base score is 8.8 out of 10.