PT-2021-2213 · Microsoft · Exchange Server
Published
2021-03-02
·
Updated
2026-05-04
·
CVE-2021-26857
CVSS v2.0
10
High
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Microsoft Exchange Server (affected versions not specified)
Description
A flaw exists in Microsoft Exchange Server’s Unified Messaging service related to data deserialization. Successful exploitation could allow a remote attacker to execute arbitrary code.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
RCE
Deserialization of Untrusted Data
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Weakness Enumeration
Related Identifiers
Affected Products
Exchange Server