CVE-2026-1681 — Issuing an ICMP ping via the `net ping` shell command to a
CVE-2026-1681 — Issuing an ICMP ping via the `net ping` shell command to a device's own IPv4 address causes the network stack to recursively re-enter the input path on the same system work-queue stack. Because the destination is recognized as a local address, both the echo request and the resulting
What This Means For You
- If your environment is affected by CWE-674, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-1681 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-1681 - Local ICMP Ping Stack Overflow
title: CVE-2026-1681 - Local ICMP Ping Stack Overflow
id: scw-2026-05-12-ai-1
status: experimental
level: high
description: |
Detects the specific command execution pattern associated with CVE-2026-1681, where a local ICMP ping to the loopback address triggers a stack overflow due to recursive processing within the network stack.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-1681/
tags:
- attack.discovery
- attack.t1049
logsource:
category: process_creation
detection:
selection:
Image|endswith:
- 'net.exe'
CommandLine|contains:
- ' ping '
CommandLine|contains:
- ' 127.0.0.1'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-1681 | vulnerability | CVE-2026-1681 |
| CWE-674 | weakness | CWE-674 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 12, 2026 at 10:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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