CISA KEV · Known exploitedHigh

CVE-2016-0189

Microsoft Internet Explorer

The Microsoft (1) JScript 5.8 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," a different vulnerability than CVE-2016-0187.

CVSS: 7.5
EPSS: 93.7%
CISA KEV: Listed
Published: 2016.05.11

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability93.7%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: Microsoft Internet Explorer
Affected versions: 5.8, 5.7, 9, 10, 11
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.04.18

1
Identify
Confirm that Microsoft Internet Explorer and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-119, CWE-787
KEV added: 2022.03.28
Ransomware use: 미확인