SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8315

An information disclosure vulnerability exists when the browser scripting engine improperly handle object types, aka "Microsoft Scripting Engine Information Disclosure Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge,…

MEDIUM 4.2EPSS 3.18%

Does this matter?

Lower severity and a low EPSS score (3.18%). Track it; it rarely justifies an emergency change on its own.

Description

An information disclosure vulnerability exists when the browser scripting engine improperly handle object types, aka "Microsoft Scripting Engine Information Disclosure Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge, Internet Explorer 10.

CVSS 3.0
4.2 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS
3.18% probability · 88th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
microsoft/internet explorer · microsoft/chakracore · microsoft/edge
Source
secure@microsoft.com
EPSS trend
0%3%5%21 September 2026: 4.79%22 September 2026: 3.12%27 October 2026: 3.18%21 September 202627 October 2026

EPSS moved from 4.8% on 21 September 2026 to 3.2% on 27 October 2026.

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