CVE-2020-1420 json
An information disclosure vulnerability exists when Windows Error Reporting improperly handles file operations.To exploit this vulnerabilit…
published 2020-07-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12296
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
An information disclosure vulnerability exists when Windows Error Reporting improperly handles file operations.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Error Reporting Information Disclosure Vulnerability'.
Patch / fix
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
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)
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-1420
patch, vendor-advisory
Sources
- CVE List CVE-2020-1420
- NVD CVE-2020-1420
Fencer Vulns 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.