CVE-2021-21133: Google Chrome

Medium severity, CVSS 6.5. EPSS: 3% chance of exploitation in the next 30 days.

Insufficient policy enforcement in Downloads in Google Chrome prior to 88.0.4324.96 allowed an attacker who convinced a user to download files to bypass navigation restrictions via a crafted HTML page.

Affected products

  • Google Chrome: before 88.0.4324.96 (fixed in 88.0.4324.96)
  • Microsoft Edge Chromium: before 88.0.705.50 (fixed in 88.0.705.50)

Published 2021-02-09. Last modified 2026-06-17.