CVE record · CVE-2026-39929

Lakeside SysTrack Agent LsiAgent.exe Out-of-Bounds Read via UDP

CVSS 8.7 HighEPSS 0.014 · 72nd percentile

Published by the CVE Program (CNA: VulnCheck) at 28 May 2026, 21:14 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Lakeside Software, LLC. SysTrack Agent
  • affected before 11.2.1.28 custom
  • affected 11.3.0.xxx to before 11.3.0.38 custom
  • affected 11.4.0.xxx to before 11.4.0.24 custom
  • affected 11.5.0.xxx to before 11.5.0.15 custom
Other versions: affected
Identifiers
CVE-2026-39929
CNA
VulnCheck
Weakness (CWE)
CWE-125 · CWE-754
Published
28 May 2026
Updated
29 May 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CNA (VulnCheck)Used for this record
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.014, the 72nd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 28 May 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.