CVE Catalog

CVE-2026-70054

HighCVSS 7.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.41%

34th percentile - higher than 34% of all known CVEs

Summary

A heap-based buffer overflow exists in Windows NetBIOS. An authorized attacker can exploit this flaw to elevate privileges locally.

Risk Assessment

An attacker with valid credentials can locally elevate privileges, potentially resulting in system takeover.

Recommendation

Install the latest security updates for Windows NetBIOS and consider disabling the NetBIOS service where it is not required.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to elevate privileges locally.

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