SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8160

An information disclosure vulnerability exists in Outlook when a message is opened, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Word, Microsoft Office.

MEDIUM 6.5EPSS 8.46%

Does this matter?

Lower severity and a low EPSS score (8.46%). Track it; it rarely justifies an emergency change on its own.

Description

An information disclosure vulnerability exists in Outlook when a message is opened, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Word, Microsoft Office.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
8.46% probability · 95th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
microsoft/office · microsoft/office compatibility pack · microsoft/sharepoint server · microsoft/web applications
Source
secure@microsoft.com
EPSS trend
0%5%10%21 September 2026: 6.79%22 September 2026: 8.62%27 October 2026: 8.46%21 September 202627 October 2026

EPSS moved from 6.8% on 21 September 2026 to 8.5% on 27 October 2026, peaking at 8.6% on 22 September 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.