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Case File

CVE-2019-8266

CRITICAL · CVSS 9.8 EPSS 2.84% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-03-08 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

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

Detected Signals
exploit code execution

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

CVE
CVE-2019-8266
Severity
CRITICAL
CVSS
9.8
EPSS
2.84%

Original NVD Description

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of ClientConnection::Copybuffer function in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. User interaction is required to trigger these vulnerabilities. These vulnerabilities have been fixed in revision 1208.

Related CVEs

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