SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-3204

The Microsoft (1) JScript 5.8 and 9 and (2) VBScript 5.7 and 5.8 engines, as used in Internet Explorer 9 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web…

HIGH 8.8EPSS 18.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 18.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

The Microsoft (1) JScript 5.8 and 9 and (2) VBScript 5.7 and 5.8 engines, as used in Internet Explorer 9 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
18.78% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
microsoft/internet explorer
Source
secure@microsoft.com
EPSS trend
0%10%20%21 September 2026: 17.22%22 September 2026: 18.78%4 November 2026: 18.78%21 September 20264 November 2026

EPSS moved from 17.2% on 21 September 2026 to 18.8% on 4 November 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.