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CVE-2025-33051

Microsoft Exchange Server Information Disclosure Vulnerability

Published: Aug 12, 2025Updated: Jun 15, 2026 Sources: CVE List NVD BDUCWE-200
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.1%
Top 37.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-200NVD-CWE-noinfo

Affected Products

exchange servermicrosoft
On-prem
Operating Systems / windows
exchange server subscription editionmicrosoft
On-premWeb App
Enterprise Software / itsm-monitoring
Microsoft Exchange ServerMicrosoft Corp
On-prem
Operating Systems
Microsoft Exchange Server 2016 Cumulative Update 23Microsoft
On-prem
Operating Systems
Microsoft Exchange Server 2019 Cumulative Update 14Microsoft
On-prem
Operating Systems / windows
microsoftcommercialUSOperating Systems
microsoft corpcommercialUSOperating Systemsaka microsoft corporation
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33051
msrc.microsoft.com

Timeline

Published
Aug 12, 2025
Last Updated
Jun 15, 2026

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