5.5

CVE-2020-1389: microsoft windows Improper Initialization

CVSS: 5.5v3.1MediumModified
Published 14-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-1389 is a medium (CVSS 5.5) Improper Initialization vulnerability in microsoft windows. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.28%
0%100%
Low · +0.05 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

An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address, aka 'Windows Kernel Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-1367, CVE-2020-1419, CVE-2020-1426.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.28%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

+0.05 pp

From 1.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.28%

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

Microsoft22 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 · 22 products

References

1 links