AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-21155

CRITICAL · CVSS 9.6 EPSS 1.32%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-22 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.6. It affects Windows, Chrome. It may be remotely exploitable.

CVE
CVE-2021-21155
Severity
CRITICAL
CVSS
9.6
EPSS
1.32%
Windows Chrome

Original NVD Description

Heap buffer overflow in Tab Strip in Google Chrome on Windows prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Related CVEs

Other vulnerabilities affecting the same vendor(s)