SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-0799

Microsoft Access in Microsoft SharePoint Enterprise Server 2013 and Microsoft SharePoint Enterprise Server 2016 allows a cross-site-scripting (XSS) vulnerability due to the way image field values are handled, aka "Microsoft Access Tampering…

MEDIUM 6.1EPSS 3.63%

Does this matter?

Lower severity and a low EPSS score (3.63%). Track it; it rarely justifies an emergency change on its own.

Description

Microsoft Access in Microsoft SharePoint Enterprise Server 2013 and Microsoft SharePoint Enterprise Server 2016 allows a cross-site-scripting (XSS) vulnerability due to the way image field values are handled, aka "Microsoft Access Tampering Vulnerability".

CVSS 3.0
6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
3.63% probability · 89th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
microsoft/sharepoint enterprise server
Source
secure@microsoft.com
EPSS trend
0%5%10%21 September 2026: 5.11%22 September 2026: 3.63%27 October 2026: 3.63%21 September 202627 October 2026

EPSS moved from 5.1% on 21 September 2026 to 3.6% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

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