CVE-2025-21347 Windows Deployment Services Denial of Service Vulnerability
Attackers can cause a denial of service in Windows Deployment Services, affecting Windows clients and servers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-21347?
CVE-2025-21347 is a medium-severity denial of service vulnerability in Microsoft Windows 10 1507, published on 11 Feb 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Windows Deployment Services Denial of Service Vulnerability
Weakness: CWE-59
Which versions are affected by CVE-2025-21347?
It affects 14 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 8 more.
How do I fix CVE-2025-21347?
No fix has been published for CVE-2025-21347 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-21347 being exploited?
There is no known exploitation of CVE-2025-21347 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-8pmq-vh8m-9xj5.