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CVE-2026-105007

8.8 high SSVC exploitation: none Analyzed
NVD · CVE.org

An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. To exploit the vulnerability, in a local attack scenario, an attacker could run a specially crafted application to elevate the attacker's privilege level. An attacker who successfully exploited this vulnerability could run processes in an elevated context. However, an attacker must first gain access to the local system with the ability to execute a malicious application in order to exploit this vulnerability. The security update addresses the vulnerability by changing how ndis.sys validates buffer length.

Fix

Microsoft's update · Important

  • KB5126835 — Windows Server 2012, Windows Server 2012 (Server Core installation) · build 6.2.9200.26434 · restart required
  • KB5126836 — Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) · build 6.3.9600.23470 · restart required
  • KB5126868 — Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation) · build 10.0.14393.9612 · restart required
  • KB5126651 — Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation) · build 10.0.17763.9376 · restart required
  • KB5126657 — Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 · build 10.0.19044.7807 · restart required
  • KB5126657 — Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 · build 10.0.19045.7807 · restart required
  • KB5126655 — Windows Server 2022, Windows Server 2022 (Server Core installation) · build 10.0.20348.5761 · restart required
  • KB5126653 — Windows 11 Version 23H2 · build 10.0.22631.7652 · restart required
  • KB5127648 — Windows 11 Version 24H2 · build 10.0.26100.9711 · restart required
  • KB5127648 — Windows 11 Version 25H2 · build 10.0.26200.9711 · restart required
  • KB5127648 — Windows 11 Version 26H2 · build 10.0.26300.9711 · restart required
  • KB5126646 — Windows Server 2025, Windows Server 2025 (Server Core installation) · build 10.0.26100.33650 · restart required
  • KB5127646 — Windows 11 Version 26H1, Windows 11 version 26H1 · build 10.0.28000.3231 · 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

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 4

  1. Cpes+26 CPE criteria (now 26)NVD modified 2026-10-27 18:45
  2. StatusPublished → AnalyzedNVD modified 2026-10-27 18:45
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 19:42
  4. First seenCVSS 8.8NVD modified 2026-10-13 22:17

Affected (CPE criteria) 26

  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:arm64:*
  • cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*

References 1