What is CVE-2026-2321?

CVE-2026-2321 is a high-severity vulnerability in Apple Macos, classified under Use After Free. CVSS score: 8.8/10. Published 2026-02-11.

How severe is CVE-2026-2321?

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

Use After Free in Apple Macos

CVE-2026-2321

Use after free in Ozone in Google Chrome prior to 145.0.7632.45 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: M…

Vulnerability class: Use-After-Free

EPSS: 0.002 (15.9th 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 145.0.7632.45
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2026-2321?: CVE-2026-2321 is a high-severity vulnerability in Apple Macos, classified under Use After Free. CVSS score: 8.8/10. Published 2026-02-11.
How severe is CVE-2026-2321?: High severity. CVSS v3 base score is 8.8 out of 10.