CVE-2026-35099
Race Condition in Lakeside SysTrack Agent Enables Local Privilege Escalation
Publication date: 2026-04-01
Last updated on: 2026-04-01
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| lakeside | systack_agent | to 11.2.1.28 (exc) |
| lakesidesoftware | systack_agent | to 11.2.1.28 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify how the CVE-2026-35099 vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.
Can you explain this vulnerability to me?
CVE-2026-35099 is a vulnerability in the Lakeside SysTrack Agent versions before 11.2.1.28. It involves a race condition that allows an unprivileged user to escalate their privileges locally to SYSTEM level. Specifically, the vulnerability exists in the LsiAgent.exe loopback component, which could be exploited to execute code with SYSTEM-level privileges.
How can this vulnerability impact me? :
This vulnerability can have a significant impact because it allows an unprivileged user on the affected system to gain SYSTEM-level privileges. SYSTEM privileges are the highest level of access on a Windows system, enabling the attacker to execute arbitrary code, modify system settings, access sensitive data, install malware, or disrupt system operations.
What immediate steps should I take to mitigate this vulnerability?
To mitigate the vulnerability CVE-2026-35099, you should update the Lakeside SysTrack Agent to version 11.2.1.28 or later, which includes a hotfix addressing the Local Privilege Escalation issue caused by a race condition.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
The vulnerability CVE-2026-35099 affects the LsiAgent.exe loopback component of the Lakeside SysTrack Agent and involves a race condition that allows local privilege escalation. Detection would involve identifying if vulnerable versions of the SysTrack agent (versions before 11.2.1.28, 11.3.0.38, 11.4.0.24, and 11.5.0.15) are running on the system.
To detect the presence of the vulnerable SysTrack agent, you can check the installed version of the agent on your system. For example, on Windows systems, you might use commands like:
- wmic product where "name like '%SysTrack Agent%'" get Name, Version
- Get-Service -Name LsiAgent | Select-Object Status, Name (in PowerShell to check if the service is running)
Additionally, monitoring for unusual crashes or application errors related to LsiAgent.exe, especially those triggered by malformed UDP packets, could indicate exploitation attempts.
Network monitoring tools could be used to detect malformed UDP packets targeting the SysTrack agent, but specific signatures or commands for this are not provided in the available resources.
Ultimately, the best detection method is to verify the version of the SysTrack agent and ensure it is updated to one of the fixed versions: 11.2.1.28, 11.3.0.38, 11.4.0.24, or 11.5.0.15.