CVE-2023-36585 Windows upnphost.dll Denial of Service Vulnerability
An attacker can cause a denial of service in Windows via the upnphost.dll component, affecting system availability.
- 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-2023-36585?
CVE-2023-36585 is a high-severity denial of service vulnerability in Microsoft Windows 10 1507, published on 10 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Windows upnphost.dll Denial of Service Vulnerability
Weakness: CWE-20
Which versions are affected by CVE-2023-36585?
It affects 11 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1809, Microsoft Windows 10 21h1, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows 11 22h2 and 5 more.
How do I fix CVE-2023-36585?
No fix has been published for CVE-2023-36585 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-2023-36585 being exploited?
There is no known exploitation of CVE-2023-36585 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-9h72-46q7-mr26.