CVE-2021-28326 Windows AppX Deployment Server Denial of Service Vulnerability
An attacker can cause a denial of service in the Windows AppX Deployment Server, affecting system availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-28326?
CVE-2021-28326 is a medium-severity denial of service vulnerability in Microsoft Windows 10, published on 13 Apr 2021. 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 AppX Deployment Server Denial of Service Vulnerability
Which versions are affected by CVE-2021-28326?
It affects 3 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.
How do I fix CVE-2021-28326?
No fix has been published for CVE-2021-28326 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-2021-28326 being exploited?
There is no known exploitation of CVE-2021-28326 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-p9h8-2j8j-vcqp.