Improper input validation in Google Chrome
CVE-2026-17861
Insufficient validation of untrusted input in Updater in Google Chrome prior to 151.0.7922.72 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Google Chrome — versions 151.0.7922.72
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-17861?
- CVE-2026-17861 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2026-07-30.
- How severe is CVE-2026-17861?
- High severity. CVSS v3 base score is 7.8 out of 10.