A race condition in the wmi_malware_scan.nbin plugin before 201402262215 for Nessus 5.2.1 allows local users to gain privileges by replacing the dissolvable agent executable in the Windows temp directory with a Trojan horse program.
Concurrent Execution using Shared Resource with Improper Synchronization The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.