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Microsoft CVE-2026-40368

| EUVD-2026-29650 HIGH
Deserialization of Untrusted Data (CWE-502)
2026-05-12 microsoft GHSA-x3r3-x95v-wx99
Deserialization Microsoft
8.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
May 12, 2026 - 16:58 nvd
HIGH 8.0

DescriptionNVD

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Analysis

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

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CVE-2026-40368 vulnerability details – vuln.today
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