CVE-2023-29361 Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
A use-after-free flaw in the Windows Cloud Files Mini Filter Driver allows attackers to escalate privileges on affected Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-29361?
CVE-2023-29361 is a high-severity use after free vulnerability in Microsoft Windows 10 21h2, published on 13 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Weakness: CWE-416
Which versions are affected by CVE-2023-29361?
It affects 5 products.
Products include Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows 11 22h2, Microsoft Windows Server 2022.
How do I fix CVE-2023-29361?
No fix has been published for CVE-2023-29361 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-29361 being exploited?
There is no known exploitation of CVE-2023-29361 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 21h2
- CVE-2025-21333 Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow
- CVE-2025-21334 Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free
- CVE-2025-21335 Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free
- CVE-2026-42904 Windows TCP/IP Elevation of Privilege Vulnerability
- CVE-2026-105733 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-h26c-74g7-p96g.