cbcvebase.
CVE-2026-20947
published 2026-01-13

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…

PriorityP274high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
17.95%
96.9th percentile
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.

Affected

9 ranges
VendorProductVersion rangeFixed in
microsoftmicrosoft_sharepoint_enterprise_server_2016>= 16.0.0 < 16.0.5535.100116.0.5535.1001
microsoftmicrosoft_sharepoint_server_2019>= 16.0.0 < 16.0.10417.2008316.0.10417.20083
microsoftmicrosoft_sharepoint_server_subscription_edition>= 16.0.0 < 16.0.19127.2044216.0.19127.20442
microsoftsharepoint_server< 16.0.19127.2044216.0.19127.20442
microsoftsharepoint_server
microsoftsharepoint_server
msrcmicrosoft_sharepoint_enterprise_server_2016
msrcmicrosoft_sharepoint_server_2019
msrcmicrosoft_sharepoint_server_subscription_edition

Detection & IOCsextracted from sources · hover to see the quote

  • Attacker must be authenticated with at minimum Site Member permissions (PR:L) to exploit this SQL injection RCE vulnerability in SharePoint Server
  • Exploitation vector is network-based; monitor for anomalous SQL-related activity originating from authenticated low-privilege SharePoint users over the network
  • Affected product is Microsoft SharePoint Server Subscription Edition; prioritize patching this version as it is the confirmed affected CPE
  • ·No public exploit exists as of the time of publication; exploitation is assessed as 'Unlikely' by Microsoft for the latest software release
  • ·Multiple update packages may be required; all applicable updates must be installed for full remediation

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc8.8HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.