Riskcovery

CVE-2026-45501

Microsoft Exchange Server Spoofing Vulnerability

State
Published
Severity
6.5 Medium
Published
Jun 9, 2026
Updated
Sep 24, 2026
Reserved
May 12, 2026

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

ProductVersions
Microsoft Exchange Server 2016 Cumulative Update 23Microsoft
  • 15.01.0.0 to before 15.01.2507.071Affected
Microsoft Exchange Server 2019 Cumulative Update 14Microsoft
  • 15.02.0.0 to before 15.02.1544.043Affected
Microsoft Exchange Server 2019 Cumulative Update 15Microsoft
  • 15.02.0.0 to before 15.02.1748.048Affected
Microsoft Exchange Server Subscription Edition RTMMicrosoft
  • 15.02.0.0 to before 15.02.2562.045Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.