Improper input validation in Apple macOS
CVE-2026-8000
Insufficient validation of untrusted input in ChromeDriver in Google Chrome on Windows prior to 148.0.7778.96 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Low)
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (33.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.1% 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: 0.004 · change: +0.002
Affected products
- Apple macOS
- Google Chrome — versions 148.0.7778.96
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/494464734 (Permissions Required)
Frequently asked questions
- What is CVE-2026-8000?
- CVE-2026-8000 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-05-06.
- How severe is CVE-2026-8000?
- High severity. CVSS v3 base score is 8.8 out of 10.