CVE-2026-62792

Analyzed Analyzed - Analysis Complete

Stack-based Buffer Overflow in Windows TCP/IP

Publication date: 2026-08-11

Last updated on: 2026-08-16

Assigner: Microsoft Corporation

Description

Stack-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-11

Last Modified

2026-08-16

Generated

2026-09-01

AI Q&A

2026-08-12

EPSS Evaluated

2026-08-30

NVD

CVE-2026-62792

EUVD

EUVD-2026-56384

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2012	r2
microsoft	windows_server_2012	*
microsoft	windows_10_1607	to 10.0.14393.9418 (exc)
microsoft	windows_10_1607	to 10.0.14393.9418 (exc)
microsoft	windows_10_1809	to 10.0.17763.9115 (exc)
microsoft	windows_10_1809	to 10.0.17763.9115 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7517 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7517 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9106 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9106 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2704 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2704 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9106 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9106 (exc)
microsoft	windows_server_2016	to 10.0.14393.9418 (exc)
microsoft	windows_server_2019	to 10.0.17763.9115 (exc)
microsoft	windows_server_2022	to 10.0.20348.5440 (exc)
microsoft	windows_server_2025	to 10.0.26100.33222 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-121	A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Attack-Flow Graph

Executive Summary

This is a stack-based buffer overflow in Windows TCP/IP that allows an unauthorized attacker to execute arbitrary code remotely over a network without authentication.

Detection Guidance

Detection requires checking for unpatched Windows systems with vulnerable TCP/IP stack versions. Use Windows Update to verify patch status or run 'systeminfo | findstr /B /C:"OS Name" /C:"OS Version"' to check OS version. Network detection may involve monitoring for unusual traffic patterns targeting TCP/IP services.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially taking control of your device, stealing data, or installing malware. Since it affects network communication, the attack can originate from anywhere on the internet.

Compliance Impact

This vulnerability allows remote code execution via a stack-based buffer overflow in Windows TCP/IP, which could lead to unauthorized access to sensitive data. Such breaches may violate compliance requirements under GDPR (data protection) and HIPAA (health information security) by exposing personal or health data.

Mitigation Strategies

Apply the latest security updates from Microsoft for Windows TCP/IP components to patch the stack-based buffer overflow vulnerability.

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