AUGUST 4, 2026
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Case File

CVE-2021-30527

HIGH · CVSS 8.8 EPSS 0.96% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-07 · 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

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

CVE
CVE-2021-30527
Severity
HIGH
CVSS
8.8
EPSS
0.96%
Chrome

Original NVD Description

Use after free in WebUI in Google Chrome prior to 91.0.4472.77 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.