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Fencer Intel
high 7.8

CVE-2020-1400 in the critical feed json

A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka 'Jet Database E…

published 6y ago modified 4mo ago also EUVD-2020-12276

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
23.7%
EPSS 23.7% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka 'Jet Database Engine Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1401, CVE-2020-1407.

Patch / fix

Is CVE-2020-1400 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

23.73% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft Windows 10 Version 2004 for 32-bit Systems
  • Microsoft Windows 10 Version 2004 for ARM64-based Systems
  • Microsoft Windows 10 Version 2004 for x64-based Systems
  • Microsoft Windows Server, version 2004 (Server Core installation)
  • Microsoft Windows
  • Microsoft Windows Server
  • Microsoft Windows 10 Version 1909 for 32-bit Systems
  • Microsoft Windows 10 Version 1909 for x64-based Systems
  • Microsoft Windows 10 Version 1909 for ARM64-based Systems
  • Microsoft Windows Server, version 1909 (Server Core installation)
  • Microsoft Windows 10 Version 1903 for 32-bit Systems
  • Microsoft Windows 10 Version 1903 for x64-based Systems
  • Microsoft Windows 10 Version 1903 for ARM64-based Systems
  • Microsoft Windows Server, version 1903 (Server Core installation)

Classification

Weakness
  • CWE-191 Integer Underflow (Wrap or Wraparound)

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.