CVE-2026-97811

Published Oct 13, 2026

Last updated 19 days ago

CVSS high 7.8
Port (22)

Overview

Description
Double free in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
Source
secure@microsoft.com
NVD status
Analyzed
Products
windows_10_1809, windows_10_21h2, windows_10_22h2, windows_11_23h2, windows_11_24h2, windows_11_25h2, windows_11_26h1, windows_11_26h2, windows_server_2019, windows_server_2022, windows_server_2025

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.8
Impact score
5.9
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-400

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.