Actively exploited · Published May 11, 2016 · Assigned by microsoft
CVE-2016-0189
High 7.5 Exploited Ransomware
In plain English
A high-severity out-of-bounds write in Internet Explorer from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on March 28, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 94.1% (higher than 99.8% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Apr 18, 2022.
Official 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.
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- 90012 vdb-entry, x_refsource_BID
- https://www.virusbulletin.com/virusbulletin/2017/01/journey-and-evolution-god-mode-2016-cve-2016-0189/ x_refsource_MISC
- MS16-051 vendor-advisory, x_refsource_MS
- MS16-053 vendor-advisory, x_refsource_MS
- 40118 exploit, x_refsource_EXPLOIT-DB
- 1035820 vdb-entry, x_refsource_SECTRACK
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0189 government-resource