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Vulnerabilities

Vulnerability · CVE-2025-47163

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

Published Jun 10, 2025 · catalog updated Feb 26, 2026 · Microsoft Microsoft SharePoint Server Subscription Edition

Check this week

CVE-2025-47163 is not in CISA KEV. FIRST estimates a 20.92% chance of exploitation in the next 30 days. Check whether you run Microsoft Microsoft SharePoint Server Subscription Edition.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
20.92%
Remediation
Version ranges on file
Affected products
vendor Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 <16.0.18526.20396

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 <16.0.18526.2039616.0.0 <16.0.18526.20396

How to fix CVE-2025-47163

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-47163 is not in CISA KEV. FIRST estimates a 20.92% chance of exploitation in the next 30 days. Check whether you run Microsoft Microsoft SharePoint Server Subscription Edition.

Which versions are affected?

Compare what you have installed with Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 <16.0.18526.20396 16.0.0 <16.0.18526.20396. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 20.92%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 10, 2025 · EUVD

    Detected

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

  2. Feb 26, 2026 · EUVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2025-47163

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-47163

    30-day exploitation probability 20.9%

    first.org
  • EUVDVulnerability recordEUVD-2025-17736

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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.