CVE-2026-32216 Windows Redirected Drive Buffering System Denial of Service Vulnerability
An authorized local attacker can cause a denial of service via a null pointer dereference in the Windows Redirected Drive Buffering system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-32216?
CVE-2026-32216 is a medium-severity vulnerability in Microsoft Windows 11 26h1, published on 14 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.
Weakness: CWE-476
Which versions are affected by CVE-2026-32216?
It affects 1 product.
Products include Microsoft Windows 11 26h1.
How do I fix CVE-2026-32216?
No fix has been published for CVE-2026-32216 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-32216 being exploited?
There is no known exploitation of CVE-2026-32216 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 11 26h1
- CVE-2026-85921 Windows Secure Kernel Mode Elevation of Privilege Vulnerability
- CVE-2026-83939 Windows Secure Kernel Mode Elevation of Privilege Vulnerability
- CVE-2026-105005 Windows Schannel Remote Code Execution Vulnerability
- CVE-2026-85850 Windows Kernel Elevation of Privilege Vulnerability
- CVE-2026-97803 Windows Kernel Elevation of Privilege Vulnerability
Sources
Also known as GHSA-cw5m-47qq-278v.