CVE-2021-47818 MEDIUM

CVE-2021-47818: DupTerminator 1.4.5639.37199 - Denial of Service

Vendor Dupterminator
Product DupTerminator
Weakness CWE-1284
Published January 16, 2026
Last update February 2, 2026

CVSS base score

4.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

DupTerminator 1.4.5639.37199 contains a denial of service vulnerability that allows attackers to crash the application by inputting a long character string in the Excluded text box. Attackers can generate a payload of 8000 repeated characters to trigger the application to stop working on Windows 10.

Key dates

02Disclosure timeline

January 16, 2026 CVE published
February 2, 2026 Record updated