What is CVE-2026-5886?

CVE-2026-5886 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-04-08.

How severe is CVE-2026-5886?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Out-of-bounds Read in Apple macOS

CVE-2026-5886

Out of bounds read in WebAudio in Google Chrome on Mac prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Buffer Overflow

EPSS: 0.002 (12.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Macos
Google Chrome — versions 147.0.7727.55

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

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

Frequently asked questions

What is CVE-2026-5886?: CVE-2026-5886 is a medium-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2026-04-08.
How severe is CVE-2026-5886?: Medium severity. CVSS v3 base score is 5.3 out of 10.