PT-2026-58252 · Microsoft · Exchange Server
CVE-2026-55009
·
Published
2026-07-14
·
Updated
2026-07-14
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Microsoft Exchange Server (affected versions not specified)
Description
Deserialization of untrusted data allows an authorized attacker to elevate privileges locally. This issue enables authenticated users to increase their access levels within the system.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Deserialization of Untrusted Data
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Weakness Enumeration
Related Identifiers
Affected Products
Exchange Server