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9.8

Windows 10/11 RNDIS can run attacker code over network

CVE-2026-69768 · published 1 month ago
Summary

Certain versions of Windows 10 (1607, 1809, 21H2, 22H2) and Windows 11 (23H2) have a flaw in the RNDIS network component that could let an outside attacker run their own programs on the computer. This could give the attacker control of the system or allow them to steal data. Install the latest security updates from Microsoft as soon as possible to close the gap.

What to do
  • Update microsoft windows 10 version 1607 to version 10.0.14393.9512 or later.
  • Update microsoft windows 10 version 1809 to version 10.0.17763.9245 or later.
  • Update microsoft windows 10 version 21h2 to version 10.0.19044.7725 or later.
  • Update microsoft windows 10 version 22h2 to version 10.0.19045.7725 or later.
  • Update microsoft windows 11 version 23h2 to version 10.0.22631.7582 or later.
  • Update microsoft windows 11 version 24h2 to version 10.0.26100.9445 or later.
  • Update microsoft windows 11 version 25h2 to version 10.0.26200.9445 or later.
  • Update microsoft windows 11 version 26h1 to version 10.0.28000.2954 or later.
  • Update microsoft windows server 2012 to version 6.2.9200.26349 or later.
  • Update microsoft windows server 2012 (server core installation) to version 6.2.9200.26349 or later.
  • Update microsoft windows server 2016 to version 10.0.14393.9512 or later.
  • Update microsoft windows server 2016 (server core installation) to version 10.0.14393.9512 or later.
  • Update microsoft windows server 2019 to version 10.0.17763.9245 or later.
  • Update microsoft windows server 2019 (server core installation) to version 10.0.17763.9245 or later.
  • Update microsoft windows server 2022 to version 10.0.20348.5622 or later.
  • Update microsoft windows server 2025 to version 10.0.26100.33438 or later.
  • Update microsoft windows server 2025 (server core installation) to version 10.0.26100.33438 or later.
  • Update microsoft windows_10_1607 to version 10.0.14393.9512 or later.
  • Update microsoft windows_10_1809 to version 10.0.17763.9245 or later.
  • Update microsoft windows_10_21h2 to version 10.0.19044.7725 or later.
  • Update microsoft windows_10_22h2 to version 10.0.19045.7725 or later.
  • Update microsoft windows_11_23h2 to version 10.0.22631.7582 or later.
  • Update microsoft windows_11_24h2 to version 10.0.26100.9445 or later.
  • Update microsoft windows_11_25h2 to version 10.0.26200.9445 or later.
  • Update microsoft windows_11_26h1 to version 10.0.28000.2954 or later.
  • Update microsoft windows_server_2016 to version 10.0.14393.9512 or later.
  • Update microsoft windows_server_2019 to version 10.0.17763.9245 or later.
  • Update microsoft windows_server_2022 to version 10.0.20348.5622 or later.
  • Update microsoft windows_server_2025 to version 10.0.26100.33438 or later.
Affected software
VendorProductAffected versions
microsoft windows 10 version 1607 < 10.0.14393.9512
microsoft windows 10 version 1809 < 10.0.17763.9245
microsoft windows 10 version 21h2 < 10.0.19044.7725
microsoft windows 10 version 22h2 < 10.0.19045.7725
microsoft windows 11 version 23h2 < 10.0.22631.7582
microsoft windows 11 version 24h2 < 10.0.26100.9445
microsoft windows 11 version 25h2 < 10.0.26200.9445
microsoft windows 11 version 26h1 < 10.0.28000.2954
microsoft windows server 2012 < 6.2.9200.26349
microsoft windows server 2012 (server core installation) < 6.2.9200.26349
microsoft windows server 2012 r2 < 6.3.9600.23397
< 6.3.9600.23398
microsoft windows server 2012 r2 (server core installation) < 6.3.9600.23397
< 6.3.9600.23398
microsoft windows server 2016 < 10.0.14393.9512
microsoft windows server 2016 (server core installation) < 10.0.14393.9512
microsoft windows server 2019 < 10.0.17763.9245
microsoft windows server 2019 (server core installation) < 10.0.17763.9245
microsoft windows server 2022 < 10.0.20348.5622
microsoft windows server 2025 < 10.0.26100.33438
microsoft windows server 2025 (server core installation) < 10.0.26100.33438
microsoft windows_10_1607 < 10.0.14393.9512
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
microsoft windows_10_1809 < 10.0.17763.9245
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
microsoft windows_10_21h2 < 10.0.19044.7725
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
microsoft windows_10_22h2 < 10.0.19045.7725
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
microsoft windows_11_23h2 < 10.0.22631.7582
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
microsoft windows_11_24h2 < 10.0.26100.9445
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
microsoft windows_11_25h2 < 10.0.26200.9445
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
microsoft windows_11_26h1 < 10.0.28000.2954
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
microsoft windows_server_2012 r2
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoft windows_server_2016 < 10.0.14393.9512
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:x64:*
microsoft windows_server_2019 < 10.0.17763.9245
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:*
microsoft windows_server_2022 < 10.0.20348.5622
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*
microsoft windows_server_2025 < 10.0.26100.33438
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
Original advisory text
Windows RNDIS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to execute code over a network.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-122Heap-based Buffer Overflow
Timeline
Published8 Sep 2026
Updated3 Nov 2026
First seen8 Sep 2026
Sources
CVE-2026-69768 · NVD
CVE-2026-69768 · MITRE
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