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CVE-2016-0189

Microsoft Internet Explorer Memory Corruption

7.5 HIGHActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 94.1%
  1. Published10 May 2016
  2. Added to CISA KEV28 Mar 2022
  3. Remediation due18 Apr 2022
Actively exploited (CISA KEV)

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.

Added to KEV: 28 Mar 2022Federal remediation due: 18 Apr 2022Used in ransomware

Description

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 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Microsoft Internet Explorer10 · 11 · 9
Microsoft Jscript5.8
Microsoft Vbscript5.7 · 5.8

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2016-0189 being actively exploited?

Yes. CVE-2016-0189 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 28 Mar 2022. It has been used in ransomware campaigns.

How severe is CVE-2016-0189?

CVE-2016-0189 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 94.1% probability of exploitation.

Which products are affected by CVE-2016-0189?

Affected products include Microsoft Internet Explorer, Microsoft Jscript, Microsoft Vbscript.

How do I fix CVE-2016-0189?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2016-0189 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.