CVE-2026-32849 — Null Pointer Dereference

/MEDIUM /CVSS 5.5/10
Written by SCW Vulnerability Desk Vulnerability Intelligence
National Vulnerability Database vulnerabilitycvemedium-severitynull-pointer-dereferencecwe-190cwe-476
CVE-2026-32849 — Null Pointer Dereference

CVE-2026-32849 — NetBSD prior to commit ec8451e contains a signed integer overflow vulnerability in the cryptodev_op() function in sys/opencrypto/cryptodev.c where the local variable iov_len is declared as a signed int but assigned from an unsigned cop->dst_len value, causing undefined behavior when

What This Means For You

  • If your environment is affected by CWE-190, CWE-476, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-32849 updates and patches.

Related ATT&CK Techniques

T1068 Exploitation for Privilege Escalation Privilege Escalation T1548.002 Exploitation for Privilege Escalation: Bypass User Account Control Privilege Escalation

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 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.

high T1068 Privilege Escalation

Privilege Escalation Attempt Detection

Sigma YAML — free preview 
title: Privilege Escalation Attempt Detection
id: scw-2026-05-18-1
status: experimental
level: high
description: |
  Detects processes spawned with elevated privileges from medium-integrity parents, indicating potential privilege escalation exploitation.
author: SCW Feed Engine (auto-generated)
date: 2026-05-18
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-32849/
tags:
  - attack.privilege_escalation
  - attack.t1068
logsource:
    category: process_creation
    product: windows
detection:
  selection:
      IntegrityLevel: 'High'
      ParentIntegrityLevel: 'Medium'
      Image|endswith:
        - '\cmd.exe'
        - '\powershell.exe'
      condition: selection
falsepositives:
  - Legitimate activity from CVE-2026-32849

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-32849 vulnerability CVE-2026-32849
CWE-190 weakness CWE-190
CWE-476 weakness CWE-476

Written by SCW Vulnerability Desk

Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 18, 2026 at 21:17 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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