Check Point Advisories

Microsoft Exchange Server Server-Side Request Forgery (CVE-2026-45502)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-8290
Date Published:	6 Jul 2026
Severity:	High
Last Updated:	Monday 06 July, 2026
Source:
Industry Reference:	CVE-2026-45502
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0.0 and later, prior to 15.01.2507.069 Microsoft Exchange Server 2019 Cumulative Update 14 15.02.0.0 and later, prior to 15.02.1544.041 Microsoft Exchange Server 2019 Cumulative Update 15 15.02.0.0 and later, prior to 15.02.1748.046 Microsoft Exchange Server Subscription Edition RTM 15.02.0.0 and later, prior to 15.02.2562.043
Vulnerability Description	A server-side request forgery vulnerability in Microsoft Exchange Server allows an authorized attacker to disclose information 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 Exchange Server Server-Side Request Forgery (CVE-2026-45502) 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: Microsoft Windows Operating System.
Attack Information: Microsoft Exchange Server Server-Side Request Forgery (CVE-2026-45502)