## Overview
Microsoft disclosed a high-severity vulnerability identified as CVE-2026-96951 affecting Outlook.com. This flaw involves improper neutralization of special elements used in a command, leading to command injection in Windows Shell. The CVSS score for this vulnerability is 8.8, indicating a critical risk for affected users.
## Technical Details
The vulnerability allows an unauthorized attacker to bypass security features over a network. By exploiting this flaw, attackers can execute arbitrary commands on the affected system. The issue arises from the way Windows Shell processes certain commands, failing to adequately sanitize input. This oversight can lead to unauthorized access and control over system resources.
## Impact
Successful exploitation of CVE-2026-96951 can have severe consequences. Attackers may gain the ability to execute commands remotely, potentially leading to data breaches, unauthorized data manipulation, or further exploitation of the network. Organizations using Outlook.com should prioritize addressing this vulnerability to protect sensitive information and maintain system integrity.
## Mitigation
Defenders should apply the latest patches provided by Microsoft without delay. Regularly update systems and ensure that security configurations are set to minimize exposure to such vulnerabilities. Implement network segmentation and monitor for unusual activities that could indicate exploitation attempts. Additionally, educate users about the risks of command injection and the importance of reporting suspicious behavior.
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