What is CVE-2026-9953?

CVE-2026-9953 is a medium-severity vulnerability in Apple Macos, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-05-28.

How severe is CVE-2026-9953?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Apple Macos

CVE-2026-9953

Out of bounds read in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Buffer Overflow

EPSS: 0.000 (10.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Macos
Google Chrome — versions 148.0.7778.216
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

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

Frequently asked questions

What is CVE-2026-9953?: CVE-2026-9953 is a medium-severity vulnerability in Apple Macos, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-05-28.
How severe is CVE-2026-9953?: Medium severity. CVSS v3 base score is 6.5 out of 10.