CVE-2026-26170: PowerShell Elevation of Privilege Vulnerability
Improper input validation in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.
Other sources
PowerShell 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 10.0.26200.8246Patch KB5083769 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.6936Patch KB5082052 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7184Patch KB5082200 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.32690Patch KB5082063 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.8644Patch KB5082123 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8246Patch KB5083769 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5020Patch KB5082142 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7184Patch KB5082200 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.1836Patch KB5083768 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9060Patch KB5082198 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.25398.2274Patch KB5082060
Event History
Frequently Asked Questions
What is the severity of CVE-2026-26170?
CVE-2026-26170 has been classified with a high severity rating due to its potential for privilege escalation.
How do I fix CVE-2026-26170?
To fix CVE-2026-26170, install the latest security updates provided by Microsoft for affected versions of PowerShell and Windows.
What products are affected by CVE-2026-26170?
CVE-2026-26170 affects multiple versions of Microsoft PowerShell and various Windows operating systems, including Windows 10 and Windows 11.
Can CVE-2026-26170 be exploited remotely?
CVE-2026-26170 requires local access for exploitation, making it less likely to be targeted remotely.
Is there a public exploit available for CVE-2026-26170?
Currently, there is no known public exploit for CVE-2026-26170, but the vulnerability poses significant risk if unaddressed.