Check Point Advisories

Microsoft Windows Admin Center Privilege Escalation (CVE-2026-26119)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-10330
Date Published:	24 Aug 2026
Severity:	High
Last Updated:	Monday 24 August, 2026
Source:
Industry Reference:	CVE-2026-26119
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows Admin Center 1809.0 and later, prior to 2.6.4 Microsoft Windows Admin Center prior to 2511
Vulnerability Description	A privilege escalation vulnerability in Microsoft Windows Admin Center allows an authorized attacker to elevate privileges over a network.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Microsoft Windows Admin Center Privilege Escalation (CVE-2026-26119) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Windows SMB Protection Violation.
Attack Information: Microsoft Windows Admin Center Privilege Escalation (CVE-2026-26119)