CVE-2010-0718 in Windows Media Player
Summary
by MITRE
Buffer overflow in Microsoft Windows Media Player 9 and 11.0.5721.5145 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted .mpg file.
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Analysis
by VulDB Data Team • 05/01/2026
The vulnerability identified as CVE-2010-0718 represents a critical buffer overflow flaw within Microsoft Windows Media Player versions 9 and 11.0.5721.5145 that exposes systems to remote exploitation capabilities. This vulnerability stems from improper input validation mechanisms within the media player's handling of .mpg file formats, creating a pathway for malicious actors to manipulate memory structures through specially crafted media files. The flaw specifically manifests when the player attempts to process malformed data within the video stream, leading to unpredictable memory corruption behaviors that can be leveraged for system compromise. The vulnerability falls under the CWE-121 category of stack-based buffer overflow, where insufficient bounds checking allows attackers to overwrite adjacent memory locations with controlled data payloads. This particular implementation affects the multimedia processing pipeline within Windows Media Player, where the application fails to properly validate the size and structure of incoming video frame data, creating opportunities for attackers to inject malicious code sequences into memory segments allocated for legitimate processing operations.
The operational impact of this vulnerability extends beyond simple denial of service conditions to encompass potential system instability and arbitrary code execution capabilities. When a victim system processes a crafted .mpg file, the buffer overflow condition triggers a divide-by-zero error within the media processing routines, which causes the application to terminate abruptly and crash. This crash behavior represents a classic denial of service vector that can be exploited repeatedly to maintain persistent availability issues for end users and network services relying on Windows Media Player functionality. The vulnerability's remote exploitation capability means that attackers can deliver malicious payloads through various vectors including email attachments, web downloads, or malicious streaming content without requiring local system access. From an attacker's perspective, this vulnerability aligns with ATT&CK technique T1203 by enabling the execution of malicious code through application-specific vulnerabilities, while also supporting T1499 for denial of service operations that can disrupt normal business operations and user productivity. The exploitability of this vulnerability is enhanced by the widespread deployment of Windows Media Player across enterprise environments, making it a prime target for initial access or lateral movement operations.
Mitigation strategies for CVE-2010-0718 should prioritize immediate patch deployment through Microsoft's security update channels, as the vendor has released specific fixes addressing the buffer overflow conditions within the media player components. Organizations must implement network-based controls such as content filtering and file type restrictions to prevent automatic processing of potentially malicious .mpg files through Windows Media Player applications. Security administrators should consider disabling or removing Windows Media Player from systems where it is not essential for business operations, particularly in high-security environments where the attack surface must be minimized. The implementation of application whitelisting policies can prevent unauthorized media player versions from executing, while regular system monitoring should track for unusual application crash patterns that may indicate exploitation attempts. Additionally, network segmentation and endpoint protection solutions should be configured to detect and block suspicious file transfers containing known malicious media file patterns. Organizations should also conduct regular vulnerability assessments to identify systems running vulnerable versions of Windows Media Player and ensure that all endpoints are properly updated according to Microsoft's security advisory recommendations. The remediation process should include comprehensive testing of patches in controlled environments before widespread deployment to avoid potential compatibility issues with existing media processing workflows.