Vulnerability in Apple macOS
CVE-2026-6313
Insufficient policy enforcement in CORS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (11.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Apple macOS
- Google Chrome — versions 147.0.7727.101
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/498765210 (Permissions Required)
Frequently asked questions
- What is CVE-2026-6313?
- CVE-2026-6313 is a low-severity vulnerability in Apple macOS, classified under Improper Access Control. CVSS score: 3.1/10. Published 2026-04-15.
- How severe is CVE-2026-6313?
- Low severity. CVSS v3 base score is 3.1 out of 10.