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Vulnerability Intelligence

CVE-2025-64667 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2025-64667

CVE-2025-64667

MEDIUM5.3

Microsoft Exchange Server Spoofing Vulnerability

Published Dec 9, 2025

Modified 1 weeks ago

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64667

https://www.cve.org/CVERecord?id=CVE-2025-64667

CVSS Analysis

CVSS v3.1

5.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

LowI:L

Availability

NoneA:N

5.3/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedDec 9, 2025

ModifiedFeb 20, 2026