Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
Status
Versions
Affected
from 6.1.7601.0 to before 6.1.7601.27320
Microsoft Windows Server 2008 Service Pack 2
Status
Versions
Affected
from 6.0.6003.0 to before 6.0.6003.22870
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
Status
Versions
Affected
from 6.0.6003.0 to before 6.0.6003.22870
Microsoft Windows Server 2012
Status
Versions
Affected
from 6.2.9200.0 to before 6.2.9200.25073
Microsoft Windows Server 2012 (Server Core installation)
Status
Versions
Affected
from 6.2.9200.0 to before 6.2.9200.25073
Microsoft Windows Server 2012 R2
Status
Versions
Affected
from 6.3.9600.0 to before 6.3.9600.22175
Microsoft Windows Server 2012 R2 (Server Core installation)
Status
Versions
Affected
from 6.3.9600.0 to before 6.3.9600.22175
Microsoft Windows Server 2016
Status
Versions
Affected
from 10.0.14393.0 to before 10.0.14393.7336
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this vulnerability
Microsoft Windows Installer contains an improper privilege management vulnerability that could allow an attacker to gain SYSTEM privileges.
Summary: CISA's KEV catalog, as of .
CISA added CVE-2024-38014 to its Known Exploited Vulnerabilities (KEV) catalog on 10 Sep 2024.
CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
The due date CISA sets for the required action is 1 Oct 2024.
The CVE record was published on 10 Sep 2024, the same day it was added to KEV.
The CVE record carries a CVSS v3.1 base score of 7.8 (High), given by its CNA.
FIRST's EPSS model puts the probability of exploitation in the next 30 days at 6.3% (percentile 93.5), as of 28 Oct 2026.
CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
Windows Installer Elevation of Privilege Vulnerability
Windows Installer Elevation of Privilege Vulnerability
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.