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Remote Code Execution in Windows Remote Desktop Licensing Service
CVE-2024-38074 is a critical remote code execution vulnerability in Windows Remote Desktop Licensing Service. The flaw is described as an integer underflow condition in the service’s processing of network input. A remote, unauthenticated attacker can trigger the vulnerability by sending specially crafted packets or messages to a vulnerable Remote Desktop Licensing Service instance. Successful exploitation can result in execution of attacker-controlled code on the target system.
What it means and what to do now: patch path, interim mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
Successful exploitation allows remote code execution against the affected Windows Remote Desktop Licensing Service without prior authentication. This can enable full compromise of the targeted server in the security context of the vulnerable service, including deployment of malware, installation of persistence mechanisms, lateral movement, and disruption or takeover of the affected system.
If you can’t patch tonight, do this now.
If immediate patching is not possible, reduce exposure of Windows Remote Desktop Licensing Service by preventing untrusted network access to the service, especially from the public internet. Limit reachability through network segmentation, firewall policy, and access controls so that only required administrative or dependent systems can communicate with the service. Because the vulnerability is remotely reachable and unauthenticated, minimizing service exposure is the primary interim mitigation.
Patch, then assume compromise.
Apply Microsoft’s July 2024 security updates that address CVE-2024-38074 in Windows Remote Desktop Licensing Service. Organizations should identify all systems running the Remote Desktop Licensing Service role and ensure the relevant cumulative or security updates are installed promptly, with priority given to internet-reachable or otherwise exposed servers.
No public exploits tracked yet. Mallory keeps watching.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.