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UK Cyber Defence
VulnerabilityAnalyzed

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.

HIGH 8.8EPSS 18.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 18.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
18.44% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-89
Affected
microsoft/sharepoint server
Source
secure@microsoft.com
EPSS trend
0%10%20%30 October 2026: 18.44%30 October 202630 October 2026

EPSS 18.4% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.