CVE-2020-37126
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductFree Desktop Clock
PublishedFeb 5, 2026
First seenFeb 5, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Drive Software Company Free Desktop Clock | 3.0 | — |
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