Live › vulnerability › CVE-2023-21529
Go to dashboardMicrosoft Exchange Server has a deserialization flaw in which untrusted data is processed unsafely. An authenticated attacker can achieve remote code execution on the Exchange server.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Exchange Server | vendor | – | – |
| microsoft exchange server | vendor | = 2013 | – |
| microsoft exchange server | vendor | = 2016 | – |
| microsoft exchange server | vendor | = 2019 | – |
Unknown from the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
This page as .md · .json · in your agent: get_signal("CVE-2023-21529")
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