CVE Catalog

CVE-2026-69431

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Summary

Heap-based buffer overflow in Telnet Client allows an unauthorized attacker to execute code over a network.

Risk Assessment

Remote code execution could allow an attacker to take control of the system, especially in environments using Telnet.

Recommendation

Apply Windows security updates and consider disabling Telnet if not required.

Related vulnerabilities

Original NVD description (English source)

Heap-based buffer overflow in Telnet Client allows an unauthorized attacker to execute code over a network.

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