CVE-2019-1039: microsoft windows_10 Improper Initialization
Vulnerability summary
CVE-2019-1039 is a medium (CVSS 5.5) Improper Initialization vulnerability in microsoft windows_10. EPSS estimates a 1.35% chance of exploitation in the next 30 days, higher than 71.1% of scored vulnerabilities.
Timeline
- 12-06-2019PublishedVulnerability first disclosed.
- 20-05-2025Last modifiedVulnerability information updated.
Description
An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory. To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. The update addresses the vulnerability by correcting how the Windows kernel initializes objects in memory.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.35%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.35% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft32 products
- windows_10na | 1607 | 1703 | 1709 | 1803 | 1809 | 1903
- windows 10 version 1507≥ 10.0.10240.0, < publication
- windows 10 version 1607≥ 10.0.14393.0, < publication
- windows 10 version 1703≥ 10.0.0, < publication
- windows 10 version 1709≥ 10.0.0, < publication
1 vendor · 32 products
References
2 links- msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1039Vendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1039X Refsource MISCX TransferredPatchVendor Advisory