CVE-2026-73023

Analyzed Analyzed - Analysis Complete

Heap-based Buffer Overflow in Windows Imaging Component

Publication date: 2026-09-08

Last updated on: 2026-09-24

Assigner: Microsoft Corporation

Description

Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-73023

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_imaging_component	*

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 Imaging Component. It allows an unauthorized attacker to execute arbitrary code over a network by exploiting a flaw in how the component handles memory.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially leading to data theft, system damage, or unauthorized access. It requires network access but no user interaction beyond normal operation.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate GDPR (data protection) or HIPAA (health data security) requirements. Organizations must patch systems to maintain compliance.

Mitigation Strategies

Apply the latest security updates from Microsoft for Windows Imaging Component to patch the heap-based buffer overflow vulnerability.

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