AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-4057

HIGH · CVSS 8.8 EPSS 2.07% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-23 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-4057
Severity
HIGH
CVSS
8.8
EPSS
2.07%
Chrome

Original NVD Description

Use after free in file API in Google Chrome prior to 96.0.4664.93 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.