Heap-based Buffer Overflow in Windows Virtualization-Based Security by Microsoft
CVE-2026-108130

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 11 Version 24h2
Windows 11 Version 25h2
Windows 11 Version 26h1
Windows 11 Version 26h2
Vendor
CVE Published:
13 October 2026

What is CVE-2026-108130?

A heap-based buffer overflow exists within the Windows Virtualization-Based Security (VBS) Enclave, allowing an authorized attacker to gain elevated privileges on the local system. Exploiting this vulnerability may enable the execution of malicious code with enhanced permissions, potentially compromising system integrity and security. Users are advised to apply the latest security patches and updates to mitigate risks associated with this vulnerability.

Affected Version(s)

Windows 11 Version 24H2 ARM64-based Systems 10.0.26100.0 < 10.0.26100.9711

Windows 11 Version 25H2 ARM64-based Systems 10.0.26200.0 < 10.0.26200.9711

Windows 11 version 26H1 ARM64-based Systems 10.0.28000.0 < 10.0.28000.3231

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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