Free Desktop Clock x86 Venetian Blinds Zipper 3.0 - Unicode Stack Overflow (SEH)
Priority HIGH 78CWE-121Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00611 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Drive Software Company | Free Desktop Clock | 3.0 | — | No fix listed | CNA |
- Free Desktop Clock VendorDrive Software Company Affected 3.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-37126
- 2026-10-03 Alias added: GHSA-h96x-jjwq-mx4j
References
Exploit 1
Other 1
More Drive Software Company vulnerabilities
- TI-2020-19356 Atomic Alarm Clock 6.3 Stack Overflow via SEH Unicode CVSS 4.0HIGH 8.6
- TI-2020-19195 Atomic Alarm Clock x86 6.3 - 'AtomicAlarmClock' Unquoted Service Path CVSS 4.0HIGH 8.5
Sources
- CVE-2020-37126 · CVE Program
- CVE-2020-37126 · NVD
- FIRST EPSS
- GHSA-h96x-jjwq-mx4j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences