Threat intelligence / Vulnerability
CVE-2023-21529
Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution.
Vulnerability
TypeVulnerability
External ID—
First seen2026-04-13
Last seen2026-04-13
Confidence
—
Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution.
Labels
CISA KEV context
Vendor / productMicrosoft Exchange Server
Added2026-04-13
Due date2026-04-27
2 recorded
Relationships
2 external