SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-0231

A spoofing vulnerability exists when Microsoft browsers render SmartScreen Filter, aka "Microsoft Browser Spoofing Vulnerability."

MEDIUM 4.3EPSS 3.67%

Does this matter?

Lower severity and a low EPSS score (3.67%). Track it; it rarely justifies an emergency change on its own.

Description

A spoofing vulnerability exists when Microsoft browsers render SmartScreen Filter, aka "Microsoft Browser Spoofing Vulnerability."

CVSS 3.0
4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS
3.67% probability · 90th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/edge · microsoft/internet explorer
Source
secure@microsoft.com
EPSS trend
0%3%5%27 October 2026: 3.67%27 October 202627 October 2026

EPSS 3.7% since 27 October 2026; no change recorded yet. 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.