Buffer overflow in Microsoft Internet_explorer

CVE-2016-0189

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 craft…

Vulnerability class: Buffer Overflow

EPSS: 0.932 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-0189?
CVE-2016-0189 is a high-severity vulnerability in Microsoft Internet_explorer, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2016-05-11.
How severe is CVE-2016-0189?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-0189 known to be exploited?
Yes. CVE-2016-0189 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28), indicating it is being actively exploited. 20 public proof-of-concept repositories are indexed.