CVE-2026-96929

Analyzed Analyzed - Analysis Complete

Heap-based Buffer Overflow in Windows Kernel

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-13

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-96929

EUVD

EUVD-2026-100258

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_server_2025	to 10.0.26100.33650 (exc)
microsoft	windows_server_2022	to 10.0.20348.5761 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

Executive Summary

This is a heap-based buffer overflow vulnerability in the Windows Kernel. It allows an authorized attacker with local access to exploit the flaw and elevate their privileges on the system.

Detection Guidance

This vulnerability is a local privilege escalation in the Windows Kernel. Detection typically requires endpoint monitoring tools or security software that can identify anomalous kernel behavior or heap-based buffer overflows. No specific commands are provided in the available resources.

Impact Analysis

An attacker could gain higher-level permissions on your system, potentially allowing them to install programs, view or delete data, or create new accounts with full user rights.

Compliance Impact

This vulnerability allows local privilege escalation via a heap-based buffer overflow in the Windows Kernel. Such attacks could enable unauthorized access to sensitive data or system functions, potentially violating confidentiality requirements in GDPR and HIPAA.

Mitigation Strategies

Apply the latest Windows security updates from Microsoft Update to patch the heap-based buffer overflow in the Windows Kernel. Monitor Microsoft's security advisories for patches specific to CVE-2026-96929.

Hi! I’m here to help you understand CVE-2026-96929. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70