High severity · published Jan 21, 2026
CVE-2021-47879
eBeam Interactive Suite 3.6 - 'eBeam Stylus Driver' Unquoted Service Path
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
eBeam Interactive Suite 3.6 contains an unquoted service path vulnerability in the eBeam Stylus Driver service that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Luidia\eBeam Stylus Driver\ to inject malicious executables that would run with LocalSystem permissions.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EI
eBeam Interactive Suite · Luidia
3.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-47879
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-47879
esvc000385.wic045u.server-web.com
http://esvc000385.wic045u.server-web.com/Downloads/eBeam/
www.exploit-db.com
https://www.exploit-db.com/exploits/49648
www.vulncheck.com
https://www.vulncheck.com/advisories/ebeam-interactive-suite-ebeam-stylus-driver-unquoted-service-path