CVE-2026-97811
7.8HighPublished 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-400, CWE-415
Impact
Local authenticated attackers can elevate privileges to system level. They need local access and a valid low-privileged account on the Windows host.
Root cause
A double free condition in the OpenSSH implementation on Windows allows memory corruption.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Fix & remediation
Apply the security patch from Microsoft MSRC Advisory CVE-2026-97811. If patching must wait, stop and disable the sshd service via PowerShell: Stop-Service sshd; Set-Service -Name sshd -StartupType Disabled.
$ powershell -Command "Get-WindowsCapability -Online | ? Name -like 'OpenSSH*'"AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Double free in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97811PatchVendor Advisory