VULNERABILITY INTELLIGENCE

CVE-2023-21529

CVSS score8.8 HIGH
EPSS probability59.29%
CISA KEVKnown exploited vulnerability
Published2023-02-14
Last modified2026-08-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft Exchange Server Deserialization of Untrusted Data Vulnerability

Vendor / product: Microsoft / Exchange Server

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Weakness classification

  • secure@microsoft.com: CWE-502

Primary references