CVE-2025-21224 Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability
Remote attackers can execute arbitrary code on Windows systems via the Line Printer Daemon service, requiring immediate patching.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-21224?
CVE-2025-21224 is a high-severity use after free vulnerability in Microsoft Windows 10 21h2, published on 14 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability
Which versions are affected by CVE-2025-21224?
It affects 8 products.
Products include Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows Server 2022 and 2 more.
How do I fix CVE-2025-21224?
No fix has been published for CVE-2025-21224 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-2025-21224 being exploited?
There is no known exploitation of CVE-2025-21224 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-v4f3-8wwc-j9x2.