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CVE-2026-5405 - Vulnerability Analysis

HighCVSS: 7.8

Last Updated: May 1, 2026

Wireshark - Denial of Service & Remote Code Execution

Published: May 1, 2026Updated: May 1, 2026PoC Available

Overview

Wireshark 4.4.0 to 4.4.14 and 4.6.0 to 4.6.4 contain a denial of service and possible code execution caused by a crash in the RDP protocol dissector, letting remote attackers disrupt service or execute code, exploit requires crafted packets.

Severity & Score

Severity: High
CVSS Score: 7.8

Impact

Attackers can cause denial of service or possibly execute code remotely, disrupting network analysis or compromising the system.

Mitigation

Update to the latest version beyond 4.6.4 or 4.4.14.

Details

CVE ID
CVE-2026-5405
Severity
High
CVSS Score
7.8
Type
undefined
Status
confirmed

CWE

  • CWE-122
  • CWE-787

CVSS Metrics

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H