CVE-2026-45502 — MEDIUM (5.0)

Q: What is CVE-2026-45502?

CVE-2026-45502 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

Q: How severe is CVE-2026-45502?

CVE-2026-45502 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-45502?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Exchange Server, Microsoft Exchange Server Subscription Edition.

Vulnerability Description

Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

CVSS Score

5.0

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Exchange Server	2016
Microsoft	Exchange Server Subscription Edition	< 15.02.2562.043

Related Weaknesses (CWE)

CWE-918

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45502Vendor Advisory

FAQ

What is CVE-2026-45502?

CVE-2026-45502 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

How severe is CVE-2026-45502?

CVE-2026-45502 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-45502?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Exchange Server, Microsoft Exchange Server Subscription Edition.