AUGUST 4, 2026
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Case File

CVE-2021-21207

HIGH · CVSS 8.6 EPSS 0.94%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-26 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.6. It affects Chrome.

CVE
CVE-2021-21207
Severity
HIGH
CVSS
8.6
EPSS
0.94%
Chrome

Original NVD Description

Use after free in IndexedDB in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Related CVEs

Other vulnerabilities affecting the same vendor(s)