CVE-2026-97811: Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability
Double free in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
Other sources
Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.3231Patch KB5127646
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems running Microsoft OpenSSH for Windows on the listed Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, or Windows Server 2025 platforms are in scope.
What does an attacker need to exploit it?
An attacker must already be authorized on the affected system and have local access. The provided information does not indicate that user interaction is required.
What is the potential impact of successful exploitation?
Successful exploitation can allow local elevation of privilege. The vulnerability is associated with high impacts to confidentiality, integrity, and availability.