9.3

CVE-2020-1421: microsoft windows Type Confusion

CVSS: 9.3v2.0HighModified
Published 14-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-1421 is a high (CVSS 9.3) Type Confusion vulnerability in microsoft windows. EPSS estimates a 74.50% chance of exploitation in the next 30 days, higher than 99.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
74.50%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A remote code execution vulnerability exists in Microsoft Windows that could allow remote code execution if a .LNK file is processed.An attacker who successfully exploited this vulnerability could gain the same user rights as the local user, aka 'LNK Remote Code Execution Vulnerability'.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

74.50%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 74.50% on 19-09-2026

19-09-202619-10-2026
EPSS score
74.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft17 products
  • windowsEOL10 Version 1803 for 32-bit Systems | 10 Version 1803 for x64-based Systems | 10 Version 1803 for ARM64-based Systems | 10 Version 1809 for 32-bit Systems | 10 Version 1809 for x64-based Systems | 10 Version 1809 for ARM64-based Systems | 10 Version 1709 for x64-based Systems | 10 Version 1709 for ARM64-based Systems | 10 for 32-bit Systems | 10 for x64-based Systems | 10 Version 1607 for 32-bit Systems | 10 Version 1607 for x64-based Systems | 7 for 32-bit Systems Service Pack 1 | 7 for x64-based Systems Service Pack 1 | 8.1 for 32-bit systems | 8.1 for x64-based systems | RT 8.1
  • windows_10na | 1607 | 1709 | 1803 | 1809 | 1903 | 1909 | 2004
  • windows 10 version 1903 for 32-bit systemsunspecified
  • windows 10 version 1903 for arm64-based systemsunspecified
  • windows 10 version 1903 for x64-based systemsunspecified

1 vendor · 17 products

References

2 links