Denial of Service Vulnerability in Microsoft Network Monitor File Parser
CVE-2026-95394

4.7MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
29 September 2026

What is CVE-2026-95394?

A vulnerability in Microsoft Network Monitor's file parser allows an attacker to exploit a large loop in versions 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18. This flaw can lead to a denial of service, impacting the application's availability and potentially allowing an attacker to disrupt network monitoring activities.

Affected Version(s)

Wireshark 4.6.0 < 4.6.9

Wireshark 4.4.0 < 4.4.19

References

https://www.wireshark.org/security/wnpa-sec-2026-98.html
https://gitlab.com/wireshark/wireshark/-/work_items/21523

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mayank Jangid (OpenSec Intelligence)
.