CVE-2026-85368

HighCVSS 7.8

Published: 13/10/2026(UTC)Updated: 13/10/2026(UTC)Translated: 14/10/2026(UTC)NVD NIST

Summary

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

Risk Assessment

An attacker with valid credentials can exploit this flaw to gain higher privileges on the system, potentially leading to control over data and configuration.

Recommendation

Install the available Microsoft security updates for Windows as soon as possible and restrict local access to trusted users.

Other vulnerabilities in Windows TCP/IP

See all

CVE-2026-96852High
A use after free vulnerability in the Windows TCP/IP stack allows an authorized attacker to elevate privileges locally. The issue stems from accessing freed memory within the TCP/IP protocol handling code.
CVE-2026-85834High
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-83872High
Incorrect conversion between numeric types in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-83842High
Double free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-83682High
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-83678High
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-70164High
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-40415High
A use after free vulnerability in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
CVE-2026-40406High
A use after free vulnerability in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.
CVE-2026-40405High
A null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.

Original NVD description (English source)

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

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