CVE-2026-68825
massUse-After-Free Privilege Escalation in Windows Bind Filter Driver
CVE-2026-68825 is a use-after-free memory-safety flaw (CWE-416) in the Windows Bind Filter Driver, a kernel component shipped with Windows. It is triggered locally by an authorized (low-privileged) user who drives the driver into a state where freed memory is reused; the high attack-complexity score (AC:H) indicates exploitation depends on precise timing or conditions. A successful exploit elevates the attacker's privileges on the local machine, with high impact to confidentiality, integrity, and availability, but there is no remote or unauthenticated attack path. Any Windows system with the Bind Filter Driver present is affected, though the data does not specify exact affected Windows versions or builds. Exploitation status is currently quiet: no public proof-of-concept is known, it is not in CISA's KEV catalog, and EPSS puts 30-day exploitation probability at just 0.3% (17th percentile).
What to do: Deploy the Microsoft security update that addresses CVE-2026-68825 through your normal Patch Tuesday cycle, prioritizing multi-user and shared hosts (RDS/terminal servers, container hosts) where local accounts are common and local privilege escalation has the most impact. No public PoC or workaround is known, so standard patch cadence is sufficient for most estates; verify the Bind Filter Driver update is included in your next Windows cumulative update.
| Microsoft Windows Bind Filter Driver (Windows) | — |
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
- Weakness
- CWE-416
- Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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