Improper input validation in Apple macOS
CVE-2026-13891
Insufficient validation of untrusted input in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page. (Chromium security severity: Medium)
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Apple macOS
- Google Chrome — versions 150.0.7871.47
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Vendor Advisory)
- issues.chromium.org/issues/501631475 (Permissions Required)
Frequently asked questions
- What is CVE-2026-13891?
- CVE-2026-13891 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-06-30.
- How severe is CVE-2026-13891?
- High severity. CVSS v3 base score is 7.5 out of 10.