CVE-2020-37126 HIGH

CVE-2020-37126: Free Desktop Clock x86 Venetian Blinds Zipper 3.0 - Unicode Stack Overflow (SEH)

Vendor Drive Software Company
Product Free Desktop Clock
Weakness CWE-121
Published February 5, 2026
Last update February 5, 2026

CVSS base score

8.4/10
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:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Free Desktop Clock 3.0 contains a stack overflow vulnerability in the Time Zones display name input that allows attackers to overwrite Structured Exception Handler (SEH) registers. Attackers can exploit the vulnerability by crafting a malicious Unicode input that triggers an access violation and potentially execute arbitrary code.

Key dates

02Disclosure timeline

February 5, 2026 CVE published
February 5, 2026 Record updated