What is CVE-2026-12450?

CVE-2026-12450 is a medium-severity vulnerability in Apple Macos, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2026-06-17.

How severe is CVE-2026-12450?

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

Privilege escalation in Apple Macos

CVE-2026-12450

Inappropriate implementation in Media in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Privilege Escalation

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 149.0.7827.155
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

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

Frequently asked questions

What is CVE-2026-12450?: CVE-2026-12450 is a medium-severity vulnerability in Apple Macos, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2026-06-17.
How severe is CVE-2026-12450?: Medium severity. CVSS v3 base score is 6.5 out of 10.