CVE-2026-45583

high Microsoft
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.4%
Exploitation probability in 30 days
Top 65% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: June 9, 2026 (30 days ago)
Last Modified: June 17, 2026
Vendor: Microsoft
Source: NVD

Description

Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.

CWE

CWE-94

Affected Products

microsoft exchange servermicrosoft exchange server subscription edition

References

🔗 msrc.microsoft.com