Elevation of Privilege in Windows Installer by Microsoft
CVE-2026-96047

7HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1607
Windows 10 Version 1809
Windows 10 Version 21h2
Windows 10 Version 22h2
Vendor
CVE Published:
10 November 2026

What is CVE-2026-96047?

A use after free vulnerability exists in the Windows Installer, which could allow an authorized attacker to elevate their privileges locally on the affected system. By exploiting this flaw, attackers could gain unauthorized access to sensitive resources and perform malicious actions. Users are advised to apply the latest patches to mitigate the risk associated with this vulnerability.

Affected Version(s)

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.9612

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.9376

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.7807

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.