Actively exploited · Published Sep 23, 2019 · Assigned by microsoft
CVE-2019-1367
High 7.5 Exploited Ransomware
In plain English
A high-severity out-of-bounds write in Internet Explorer 10 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 52.4% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 3, 2022.
Official description
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1221.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Internet Explorer 9 | Windows Server 2008 for 32-bit Systems Service Pack 2Windows Server 2008 for x64-based Systems Service Pack 2 |
| Microsoft | Internet Explorer 11 | Windows 7 for 32-bit Systems Service Pack 1Windows 7 for x64-based Systems Service Pack 1Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows 8.1 for 32-bit systemsWindows 8.1 for x64-based systemsWindows Server 2012 R2Windows 10 for 32-bit SystemsWindows 10 for x64-based Systems |
| Microsoft | Internet Explorer 11 on Windows Server 2012 | unspecified |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems | unspecified |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems | unspecified |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems | unspecified |
| Microsoft | Internet Explorer 10 | Windows Server 2012 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H