CVE Catalog

CVE-2026-20876

MediumCVSS 6.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.51%

40th percentile - higher than 40% of all known CVEs

Summary

A heap-based buffer overflow vulnerability in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Risk Assessment

The risk involves potential privilege escalation by an authorized user, which could lead to full system compromise.

Recommendation

It is recommended to immediately apply security updates and restrict local privileges.

Original NVD description (English source)

Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS