Home/CVE/Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a ne
CVE

CVE-2025-47166

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

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

HIGH · CVSS 8.8 EPSS 0.11459
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Weakness Classification

Affected Products & Versions

3

Public Exploits & PoCs

1

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Jun 2025 · 05:23 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

Vendor Advisories

1
msrcCVE-2025-47166Remote Code Execution
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