Heap-based Buffer Overflow in Windows Win32K Graphics Component
CVE-2025-30388

7.8HIGH

Key Information:

Vendor: Microsoft
Status: Microsoft Office Ltsc For Mac 2021; Microsoft Office For Android; Microsoft Office For Universal; Microsoft Office Ltsc For Mac 2024
Vendor: CVE Published:; 13 May 2025

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📈 Score: 910📰 News Worthy

What is CVE-2025-30388?

CVE-2025-30388 is a critical vulnerability affecting the Windows Win32K graphics component, specifically involving a heap-based buffer overflow. This type of vulnerability allows unauthorized attackers to execute arbitrary code locally, posing a significant threat to the integrity and security of affected systems. The Win32K component is integral to the Windows operating system, handling various graphical operations and user interface functions. When exploited, CVE-2025-30388 could give attackers the ability to manipulate system behavior, install malicious software, or gain unauthorized access to sensitive information. Organizations utilizing affected versions of Windows must take this vulnerability seriously, as its exploitation could lead to severe operational disruptions and compromise system security.

Potential Impact of CVE-2025-30388

Unauthorized Code Execution: The primary impact of CVE-2025-30388 is the potential for attackers to execute arbitrary code on compromised systems. This capability can lead to a full system breach, allowing attackers to deploy malware, steal data, or manipulate system functions.
Data Compromise: With unauthorized access facilitated by this vulnerability, sensitive information stored on affected systems could be at risk. This can result in significant data breaches, exposing confidential business or personal information to unauthorized parties.
Operational Disruption: The exploit of CVE-2025-30388 could lead to significant operational impacts, including system crashes or loss of data integrity. This disruption can hinder business functions, affect service delivery, and necessitate extensive recovery efforts, ultimately impacting an organization's bottom line.