Improper input validation in Apple macOS
CVE-2026-8536
Insufficient validation of untrusted input in ReadingMode in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to bypass site Isolation via a crafted HTML page. (Chromium security severity: High)
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
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 (13.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.5% 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: +0.001
Affected products
- Apple macOS
- Google Chrome — versions 148.0.7778.168
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html (Product, Vendor Advisory)
- issues.chromium.org/issues/495857582 (Permissions Required)
Frequently asked questions
- What is CVE-2026-8536?
- CVE-2026-8536 is a low-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 3.1/10. Published 2026-05-14.
- How severe is CVE-2026-8536?
- Low severity. CVSS v3 base score is 3.1 out of 10.