What is CVE-2026-8543?

CVE-2026-8543 is a medium-severity vulnerability in Apple Macos, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-05-14.

How severe is CVE-2026-8543?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Out-of-bounds Read in Apple Macos

CVE-2026-8543

Out of bounds read in FileSystem 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 obtain potentially sensitive information from process memory via a crafted…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (9.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Macos
Google Chrome — versions 148.0.7778.168
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

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

Frequently asked questions

What is CVE-2026-8543?: CVE-2026-8543 is a medium-severity vulnerability in Apple Macos, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-05-14.
How severe is CVE-2026-8543?: Medium severity. CVSS v3 base score is 5.3 out of 10.