External risk intelligence

Windows Error Reporting Elevation of Privilege Vulnerability.

CVE advisoryKnown Exploit

CVE-2024-26169

A local privilege escalation vulnerability in the Windows Error Reporting Service affects Windows operating systems. This flaw allows an attacker with basic user access to gain administrative privileges, potentially leading to unauthorized system control and data compromise. The risk to organizations includes unauthori

1Halo Surface Signal

Microsoft Windows 10 1507

before 10.0.10240.20526before 10.0.14393.6796before 10.0.17763.5576before 10.0.19044.4170before 10.0.19045.4170before 10.0.22000.2836before 10.0.22621.3296before 10.0.22631.3296r2;...

External exposure likelihood

Halo Surface Signal score for CVE-2024-26169

This vulnerability resides within the Windows Error Reporting Service, a local operating system component. Exploitation requires local, authenticated access to the target system to perform privilege escalation. It does not provide a network-reachable interface or public-facing attack surface.

Horizon Alert

Summary of the vulnerability and why it matters

The Windows Error Reporting Service has a flaw that could allow an attacker with basic user access to gain elevated administrative privileges on a system. This vulnerability impacts the integrity of the operating system by enabling unauthorized control. The primary business risk stems from potential disruption and unauthorized access to sensitive data or system functions.

  • Vulnerable: Windows Error Reporting Service
  • Flaw: Allows privilege escalation
  • Impact: Unauthorized system control

Attack Path

How an attacker could exploit the issue

This vulnerability affects the Windows Error Reporting Service, allowing an attacker with existing local access to gain elevated privileges. The attacker exploits a weakness in how the service manages privileges. This could allow them to perform actions with higher permissions than they are normally allowed.

  • Local access required
  • Attacker escalates privileges
  • Control over the system

Live Threat

Current exploitation, exposure, and threat context

This vulnerability involves an elevation of privilege within the Windows Error Reporting Service. Attackers with existing local access and lower-level user permissions could potentially exploit this to gain higher-level system privileges. This could lead to unauthorized access, modification, or deletion of data, and impact the integrity and availability of affected systems. Organizations should consider this a significant risk requiring prompt attention.

  • Attacker skill level: Low.
  • Access required: Local user access.
  • Business risk: High, treat as urgent.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

A vulnerability has been identified in Microsoft Windows Error Reporting Service that could allow an attacker with local access to gain elevated privileges. This elevation of privilege could impact the confidentiality, integrity, and availability of systems. The exposure is classified as internal, meaning exploitation requires local access to the affected system rather than remote network access.

  • Identify all Windows systems.
  • Limit local access to Windows systems.
  • Apply vendor updates and verify.
  • Monitor systems for related activity.

Frequently asked questions

What is the Windows Error Reporting Service and its role in system security?

The Windows Error Reporting Service is a built-in Windows component that collects and sends data about application or system crashes to Microsoft. This information is used to identify and fix software defects, thereby improving the stability and reliability of the operating system and applications. It acts as a diagnostic tool for software issues.

What type of vulnerability is CVE-2024-26169 in Windows?

CVE-2024-26169 is an elevation of privilege vulnerability. This means a weakness exists within the Windows Error Reporting Service that allows an attacker, who already has some level of local access and user permissions, to gain higher-level administrative privileges (SYSTEM privileges) on the affected system.

How can CVE-2024-26169 be exploited and what is the scope of impact?

Exploitation requires local, authenticated access to a vulnerable Windows system. An attacker with user-level permissions can leverage this vulnerability to escalate their privileges. The scope is limited to the individual system the attacker has access to, as it does not involve remote network access.

What is the significance of CVE-2024-26169 according to the CISA Halo Surface Signal?

The CISA Halo Surface Signal indicates that this vulnerability is 'very unlikely' to be exploited remotely because it resides within a local operating system component (Windows Error Reporting Service) and requires local, authenticated access for privilege escalation. It does not present a network-reachable attack surface.

What actions should be taken to address the Windows Error Reporting Service vulnerability?

To address this vulnerability, organizations should identify all affected Windows systems and ensure that local access is appropriately limited. It is crucial to apply vendor-provided updates as soon as they are available and verify their successful implementation. Continuous monitoring of systems for any suspicious activity related to this vulnerability is also recommended.

References