CVE-2016-0189: in the CISA KEV catalogue
Microsoft Internet Explorer Memory Corruption Vulnerability. CISA added CVE-2016-0189 to the Known Exploited Vulnerabilities catalogue on 2022-03-28 with a default due date of 2022-04-18. Known ransomware campaign use: Known. Forensic triage flag: No.
The Microsoft JScript nd VBScript engines, as used in Internet Explorer and other products, allow attackers to execute remote code or cause a denial of service (memory corruption) via a crafted web site. (CISA description)
- Vendor / product
- Microsoft Internet Explorer
- CWE
- CWE-119
- CISA required action
- Apply updates per vendor instructions.
- EPSS
- 94%, percentile 99 (scored 2026-11-03)
EPSS puts about 94 in 100 odds (94%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2016-0189 in the CISA KEV catalogue?
Yes. CISA added CVE-2016-0189 (Microsoft Internet Explorer Memory Corruption Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2022-03-28. CISA's default due date for it is 2022-04-18.
Is CVE-2016-0189 used in ransomware attacks?
CISA marks known ransomware campaign use as Known for CVE-2016-0189.
What should I do about CVE-2016-0189?
CISA's required action: Apply updates per vendor instructions.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2016-0189