Out-of-bounds read in Windows Server - CVE-2026-96988
Published: November 11, 2026
Vulnerability identifier: #VU165793
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-96988
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in Windows DNS when handling network input. A remote privileged user can send specially crafted network input to trigger reads beyond the intended memory boundaries and disclose sensitive information.
Affected software
Windows Server
How to mitigate CVE-2026-96988
Install security update from vendor's website.
Windows Server - addressed in versions 2016 10.0.14393.9688, 2019 10.0.17763.9487, 2022 10.0.20348.5870, 2025 10.0.26100.33730, 2025 10.0.26100.33822