CVE-2025-49716 Windows Netlogon Denial of Service Vulnerability
An unauthorized attacker can cause a denial of service in Windows Netlogon via uncontrolled resource consumption.
- 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-2025-49716?
CVE-2025-49716 is a high-severity denial of service vulnerability in Microsoft Windows Server 2008, published on 8 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny service over a network.
Weakness: CWE-400
Which versions are affected by CVE-2025-49716?
It affects 6 products.
Products include Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2.
How do I fix CVE-2025-49716?
No fix has been published for CVE-2025-49716 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-2025-49716 being exploited?
There is no known exploitation of CVE-2025-49716 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2008
Sources
Also known as GHSA-884w-hqx3-6fj7.