Out-of-bounds read in Microsoft Windows and Windows Server - CVE-2026-85816
Published: October 14, 2026
Vulnerability identifier: #VU155164
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85816
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user on the local network to disclose certain kernel memory content.
The vulnerability exists due to an out-of-bounds read in Windows Wi-Fi Driver when communicating over an adjacent network. A remote user on the local network can exploit the driver over that network to disclose certain kernel memory content.
User interaction is not required.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-85816
Install security update from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7807, 10 1607 10.0.14393.9612, 10 1809 10.0.17763.9376, 11 23H2 10.0.22631.7652, 11 24H2 10.0.26100.9711, 11 25H2 10.0.26200.9711, 11 26H1 10.0.28000.3231
Windows Server - addressed in versions 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650
Windows Server - addressed in versions 2016 10.0.14393.9612, 2019 10.0.17763.9376, 2022 10.0.20348.5761, 2025 10.0.26100.33650