CVE-2020-37126
Stack overflow in Free Desktop Clock 3.0 enables code execution via crafted Unicode input.
Is CVE-2020-37126 being exploited?
Not confirmed. CVE-2020-37126 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.57% probability of exploitation in the next 30 days.
How severe is CVE-2020-37126?
CVE-2020-37126 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2020-37126?
Not known from our data. No patch reference has been recorded for CVE-2020-37126, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2020-37126 affect?
CVE-2020-37126 affects Free Desktop Clock 3.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2020-37126?
Monitor for updates; plan upgrade or disable the feature if patch unavailable.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary code execution via Unicode input that overwrites SEH, potentially taking control of the host.
Patch when possible
- affected3.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.