CVE-2016-0189 — Microsoft Internet Explorer Memory Corruption Vulnerability

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 M

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-03-28. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

08Timeline

• Published: 2016-05-11T01:00:00.000Z
• Last modified: 2025-10-21T23:55:52.367Z
• Added to CISA KEV: 2022-03-28
• BOD 22-01 due: 2022-04-18

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/90012
• www.virusbulletin.com — https://www.virusbulletin.com/virusbulletin/2017/01/journey-and-evolution-god-mo…
• docs.microsoft.com — https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-05…
• docs.microsoft.com — https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-05…
• www.exploit-db.com — https://www.exploit-db.com/exploits/40118/
• www.securitytracker.com — http://www.securitytracker.com/id/1035820