CVE-2026-83900: Windows Bind Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
Other sources
Windows Bind Filter Driver Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems running Microsoft Windows 11 or Microsoft Windows Server 2025 are listed as affected. Exploitation is local, so the attacker must be able to execute in the target environment rather than attack it remotely.
What access does an attacker need to exploit it?
The attacker must already be authorized and have low-level privileges on the affected system. No user interaction is required.
What is the likely impact of successful exploitation?
Successful exploitation allows local elevation of privilege. The supplied vector indicates high impact to confidentiality, integrity, and availability.
Is a default configuration known to be affected?
The available information identifies affected Windows products but does not state whether the vulnerable Bind Filter Driver is enabled or reachable in a default configuration.