Privilege escalation in Apple macOS
CVE-2026-11276
Inappropriate implementation in Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the local network segment to bypass discretionary access control via malicious network traffic. (Chromium security severity: Low)
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.001 (0.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Apple macOS
- Google Chrome — versions 149.0.7827.53
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html (Vendor Advisory)
- issues.chromium.org/issues/501780338 (Permissions Required)
Frequently asked questions
- What is CVE-2026-11276?
- CVE-2026-11276 is a medium-severity vulnerability in Apple macOS, classified under Improper Privilege Management. CVSS score: 5.1/10. Published 2026-06-05.
- How severe is CVE-2026-11276?
- Medium severity. CVSS v3 base score is 5.1 out of 10.