CVE-2026-7376 — Denial of Service

CVE-2026-7376 — Denial of Service

CVE-2026-7376 — Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

What This Means For You

  • If your environment is affected by CWE-476, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-7376 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

1 rule · 6 SIEM formats

1 detection rule auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1499 Impact

CVE-2026-7376 - Sharkd Denial of Service via Malformed Input

Sigma YAML — free preview
title: CVE-2026-7376 - Sharkd Denial of Service via Malformed Input
id: scw-2026-04-30-ai-1
status: experimental
level: high
description: |
  Detects the execution of the sharkd process with common arguments, which is vulnerable to CVE-2026-7376. This vulnerability allows for a denial of service by crashing the sharkd service when processing malformed input. This rule specifically targets the execution of the vulnerable binary.
author: SCW Feed Engine (AI-generated)
date: 2026-04-30
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7376/
tags:
  - attack.impact
  - attack.t1499
logsource:
    category: process_creation
detection:
  selection:
      Image|endswith:
          - 'sharkd.exe'
      CommandLine|contains:
          - '--daemon'
          - '--config'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-7376 vulnerability CVE-2026-7376
CWE-476 weakness CWE-476
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 30, 2026 at 09:16 UTC

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