Untrusted Pointer Dereference in Windows Virtualization-Based Security by Microsoft
CVE-2026-108471

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Vendor
CVE Published:
13 October 2026

What is CVE-2026-108471?

An untrusted pointer dereference vulnerability exists in Windows Virtualization-Based Security (VBS) Enclave. This flaw allows attackers who have local access to elevate their privileges, potentially compromising system integrity and security. Mitigation strategies and patches are available for affected versions.

Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.9376

Windows Server 2019 (Server Core installation) x64-based Systems 10.0.17763.0 < 10.0.17763.9376

Windows Server 2019 x64-based Systems 10.0.17763.0 < 10.0.17763.9376

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.