AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-34458

CRITICAL · CVSS 9.9 EPSS 2.50% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-16 · 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
remote code execution code execution

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

CVE
CVE-2021-34458
Severity
CRITICAL
CVSS
9.9
EPSS
2.50%
Windows

Original NVD Description

Windows Kernel Remote Code Execution Vulnerability