CVE-2026-70299
Windows Bind Filter Driver Elevation of Privilege Vulnerability
Microsoft Windows 11 version 23H2Operating systems
CVSS
8.8HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.30%Chance of exploitation activity in the next 30 days, higher than 22% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 10.0.22631.7652Windows 11 version 23H2CVE List
- 10.0.22631.7652Windows 11 Version 23H2CVE List
- 10.0.26100.33650Windows Server 2025CVE List
- 10.0.26100.33650Windows Server 2025 (Server Core installation)CVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Vendor and government advisories 1
Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Improper access control in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
Text from CVE List
Affected versions 4
- Windows 11 version 23H2affected: 10.0.22631.0 before 10.0.22631.7652CVE List
- Windows 11 Version 23H2affected: 10.0.22631.0 before 10.0.22631.7652CVE List
- Windows Server 2025affected: 10.0.26100.0 before 10.0.26100.33650CVE List
- Windows Server 2025 (Server Core installation)affected: 10.0.26100.0 before 10.0.26100.33650CVE List