CVE-2023-38151: microsoft host_integration_server Use of Uninitialized Resource
CVSS: 8.8v3.1HighModified
Published 14-11-2023Last modified 08-10-2025
Vulnerability summary
CVE-2023-38151 is a high (CVSS 8.8) Use of Uninitialized Resource vulnerability in microsoft host_integration_server. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 77.9% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
1.78%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-11-2023PublishedVulnerability first disclosed.
- 08-10-2025Last modifiedVulnerability information updated.
Description
Microsoft Host Integration Server 2020 Remote Code Execution Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.78%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.78% on 19-09-2026
19-09-202619-10-2026
EPSS score1.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft3 products
- host_integration_server2020
- host integration server 2020≥ 7.0, < KB5032921 | ≥ 1.0.0, < KB5032921
- ole_db_provider7.0
1 vendor · 3 products
