SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-12809

Yes24ViewerX ActiveX Control 1.0.327.50126 and earlier versions contains a vulnerability that could allow remote attackers to download and execute arbitrary files by setting the arguments to the ActiveX method.

HIGH 8.8EPSS 1.03%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Yes24ViewerX ActiveX Control 1.0.327.50126 and earlier versions contains a vulnerability that could allow remote attackers to download and execute arbitrary files by setting the arguments to the ActiveX method. This can be leveraged for code execution.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.03% probability · 64th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-494
Affected
yes24/viewer activex
Source
vuln@krcert.or.kr
EPSS trend
0%3%5%27 October 2026: 1.03%27 October 202627 October 2026

EPSS 1.0% 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.