8.8

CVE-2023-21529

Warnung
Medienbericht

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server Remote Code Execution Vulnerability
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MicrosoftExchange Server Version2013 Updatecumulative_update_23
MicrosoftExchange Server Version2016 Updatecumulative_update_23
MicrosoftExchange Server Version2019 Updatecumulative_update_11
MicrosoftExchange Server Version2019 Updatecumulative_update_12

13.04.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Exchange Server Deserialization of Untrusted Data Vulnerability

Schwachstelle

Microsoft Exchange Server contains a deserialization of untrusted data that allows an authenticated attacker to achieve remote code execution.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 31.78% 0.968
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.