JVN#98871848
Bytello Share (Windows Edition) installer executable insecurely loads Dynamic Link Libraries
Overview
Bytello Share (Windows Edition) installer executable provided by Bytello insecurely loads Dynamic Link Libraries.
Products Affected
- Bytello Share (Windows Edition) versions prior to 5.13.0.4246
Description
Bytello Share provided by Bytello is the screen mirroring tool for large displays. Bytello Share (Windows Edition) installer executable insecurely loads Dynamic Link Libraries.
- Uncontrolled search path element (CWE-427)
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Base Score 8.4
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Base Score 7.8
- CVE-2026-44612
- The CVSS scores above assume that a victim user is directed to download and place a specially crafted DLL file with the affected installer and to execute the installer.
Impact
If there is a crafted DLL at the same directory when invoking the affected installer, arbitrary code may be executed with the privilege of the user invoking the installer.
Solution
Use the latest installer
The latest version 5.13.0.4246 is provided as the MSI installation package.
Vendor Status
| Vendor | Link |
| Bytello | Downloads |
References
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Japan Vulnerability Notes JVNTA#91240916
Insecure DLL Loading and Command Execution Issues on Many Windows Application Programs
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Credit
Kazuma Matsumoto of GMO Cybersecurity by IERAE, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2026-44612 |
| JVN iPedia |
JVNDB-2026-000075 |