CVE-2023-21529Used in ransomware
MI
Microsoft Exchange Server
Microsoft Exchange Server Deserialization of Untrusted Data Vulnerability
What it is
Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
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