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Vulnerabilities

Vulnerability · CVE-2026-20947

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Published Jan 13, 2026 · catalog updated Jul 30, 2026 · Microsoft Microsoft SharePoint Enterprise Server 2016

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2026-20947 is not in CISA KEV. FIRST estimates a 18.44% chance of exploitation in the next 30 days. Check whether you run Microsoft Microsoft SharePoint Enterprise Server 2016.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
18.44%
Remediation
Version ranges on file
Affected products
cpe microsoft/sharepoint server · vendor Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 <16.0.5535.1001

Improper neutralization of special elements used in an sql command ('sql injection') 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.

  • cpe microsoft/sharepoint server2016
  • cpe microsoft/sharepoint server2019
  • cpe microsoft/sharepoint server< 16.0.19127.20442
  • vendor Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 <16.0.5535.100116.0.0 <16.0.5535.1001

How to fix CVE-2026-20947

What to do

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

Should you patch?

CVE-2026-20947 is not in CISA KEV. FIRST estimates a 18.44% chance of exploitation in the next 30 days. Check whether you run Microsoft Microsoft SharePoint Enterprise Server 2016.

Which versions are affected?

Compare what you have installed with microsoft/sharepoint server 2016; microsoft/sharepoint server 2019; microsoft/sharepoint server < 16.0.19127.20442; Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 <16.0.5535.1001 16.0.0 <16.0.5535.1001. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-89: SQL Injection. EPSS 18.44%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Microsoft SharePoint security

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. Jan 13, 2026 · EUVD

    Detected

    Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

  2. Jul 30, 2026 · EUVD

    Updated

    Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Sources

  • CVE.orgVulnerability recordCVE-2026-20947

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-20947

    30-day exploitation probability 18.44%

    first.org
  • EUVDVulnerability recordEUVD-2026-2119

    Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

    euvd.enisa.europa.eu
  • Monitored products — criticalVendor advisoryCVE-2026-20947

    Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Monitored products — criticalNov 2, 2026
  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 29, 2026
  • EUVDOct 29, 2026