SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2026-45501

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

MEDIUM 6.1EPSS 0.31%

Does this matter?

Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.31% probability · 23th percentile
CISA KEV
Not listed
Weakness
CWE-918, CWE-79
Affected
microsoft/exchange server · microsoft/exchange server subscription edition
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.