Improper access control in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
Fix
Microsoft's update · Important
- KB5126646 — Windows Server 2025 (Server Core installation), Windows Server 2025 · build 10.0.26100.33650 · restart required
- KB5126653 — Windows 11 Version 23H2 · build 10.0.22631.7652 · restart required
From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-28 · Exploitation Less Likely.
Patch, vendor advisory and mitigation references on NVD 1
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70299 Patch, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 4
- Cpes+3 CPE criteria (now 3)NVD modified 2026-10-28 17:44
- StatusPublished → AnalyzedNVD modified 2026-10-28 17:44
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 19:33
- First seenCVSS 8.8NVD modified 2026-10-13 21:18
Affected (CPE criteria) 3
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
References 1
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70299 Patch, Vendor Advisory