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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (18.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.6% 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: 0.003 · change: +0.001
Affected products
- Apple macOS
- Google Chrome — versions 147.0.7727.55
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/485397283 (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.