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Case File

CVE-2021-26443

CRITICAL · CVSS 9 EPSS 1.54% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-10 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.0. It affects Microsoft. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

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-2021-26443
Severity
CRITICAL
CVSS
9
EPSS
1.54%
Microsoft

Original NVD Description

Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

Related CVEs

Other vulnerabilities affecting the same vendor(s)