What is CVE-2026-5292?

CVE-2026-5292 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2026-04-01.

How severe is CVE-2026-5292?

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

Out-of-bounds Read in Apple macOS

CVE-2026-5292

Out of bounds read in WebCodecs in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Buffer Overflow

EPSS: 0.002 (16.2th 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 146.0.7680.178
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

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

Frequently asked questions

What is CVE-2026-5292?: CVE-2026-5292 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2026-04-01.
How severe is CVE-2026-5292?: High severity. CVSS v3 base score is 8.8 out of 10.