CVE-2024-38084 in OfficePLUS
Summary
by MITRE • 08/13/2024
Microsoft OfficePlus Elevation of Privilege Vulnerability
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Analysis
by VulDB Data Team • 06/24/2026
This vulnerability resides in Microsoft OfficePlus software where improper privilege handling allows attackers to escalate their access rights from standard user level to administrative privileges. The flaw manifests when the application fails to properly validate user permissions during specific operations, creating a pathway for malicious actors to bypass security controls that should normally restrict elevated access. The vulnerability stems from inadequate input validation and insufficient authorization checks within the software's privilege management framework, allowing unauthorized code execution with higher privileges than initially granted.
The technical implementation of this vulnerability involves the exploitation of weak access control mechanisms that govern how OfficePlus handles user sessions and administrative functions. Attackers can manipulate the application's internal state or exploit specific API calls that do not properly verify whether the requesting user possesses sufficient privileges to perform certain operations. This typically occurs through crafted inputs or by leveraging existing user sessions to execute commands that should require administrative rights. The flaw aligns with CWE-284 which addresses improper access control, and represents a classic example of privilege escalation through inadequate authorization checks.
The operational impact of this vulnerability extends beyond simple privilege elevation as it provides attackers with persistent access to systems running affected OfficePlus applications. Once elevated, attackers can modify system configurations, install malicious software, access sensitive data repositories, and potentially establish backdoors for continued unauthorized access. The vulnerability affects organizations that deploy OfficePlus in enterprise environments where users may have varying levels of system access but should not be able to escalate privileges without proper authorization. This creates a significant risk for data breaches, system compromise, and potential lateral movement within network infrastructures.
Organizations should implement immediate mitigations including applying Microsoft security patches and updates as soon as they become available through official channels. System administrators should conduct thorough vulnerability assessments to identify all instances of OfficePlus installations that may be vulnerable to this privilege escalation attack. Network segmentation and least privilege access models should be enforced to limit the potential damage from successful exploitation attempts. Additional protective measures include monitoring for unusual administrative activity patterns, implementing application whitelisting policies, and ensuring that users operate with minimal required privileges. The vulnerability demonstrates the critical importance of proper privilege management in enterprise software applications and aligns with ATT&CK technique T1068 which covers privilege escalation through local exploits.
Security teams should also consider implementing behavioral analytics to detect anomalous patterns that might indicate exploitation attempts, particularly around administrative function calls within OfficePlus. Regular security audits of application permissions and access controls are essential to maintain defense in depth. The vulnerability highlights the need for comprehensive security testing during software development lifecycle phases, including thorough penetration testing of privilege management components. Organizations must also ensure their incident response procedures include specific protocols for handling privilege escalation incidents, as these attacks can provide attackers with sustained access to critical systems and data assets.