SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-1181

A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls, aka 'Microsoft SharePoint Server Remote Code Execution Vulnerability'.

HIGH 8.8EPSS 69.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 69.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls, aka 'Microsoft SharePoint Server Remote Code Execution Vulnerability'.

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
69.30% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
microsoft/sharepoint enterprise server · microsoft/sharepoint foundation · microsoft/sharepoint server
Source
secure@microsoft.com
EPSS trend
0%35%70%3 November 2026: 69.30%3 November 20263 November 2026

EPSS 69.3% since 3 November 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.