CVE-2019-1221: microsoft internet_explorer Out-of-bounds Write
CVSS: 7.6v2.0HighModified
Published 11-09-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-1221 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft internet_explorer. EPSS estimates a 19.11% chance of exploitation in the next 30 days, higher than 97.3% of scored vulnerabilities.
CVSS score
7.6/10
010
High · v2.0 (NVD)EPSS score
19.11%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-09-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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'.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
High 7.6Preferred score · NVD (NIST)
AV:N/AC:H/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
19.11%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 19.11% on 21-09-2026
21-09-202621-10-2026
EPSS score19.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft6 products
- internet_explorerEOL11
- internet explorer 11Windows 7 for 32-bit Systems Service Pack 1 | Windows 7 for x64-based Systems Service Pack 1 | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | Windows 8.1 for 32-bit systems | Windows 8.1 for x64-based systems | Windows Server 2012 R2 | Windows RT 8.1 | Windows 10 for 32-bit Systems | Windows 10 for x64-based Systems | Windows Server 2016 | Windows 10 Version 1607 for 32-bit Systems | Windows 10 Version 1607 for x64-based Systems | Windows 10 Version 1703 for 32-bit Systems | Windows 10 Version 1703 for x64-based Systems | Windows 10 Version 1709 for 32-bit Systems | Windows 10 Version 1709 for x64-based Systems | Windows 10 Version 1803 for 32-bit Systems | Windows 10 Version 1803 for x64-based Systems | Windows 10 Version 1803 for ARM64-based Systems | Windows 10 Version 1809 for 32-bit Systems | Windows 10 Version 1809 for x64-based Systems | Windows 10 Version 1809 for ARM64-based Systems | Windows Server 2019 | Windows 10 Version 1709 for ARM64-based Systems
- internet explorer 11 on windows 10 version 1903 for 32-bit systemsunspecified
- internet explorer 11 on windows 10 version 1903 for arm64-based systemsunspecified
- internet explorer 11 on windows 10 version 1903 for x64-based systemsunspecified
1 vendor · 6 products
References
1 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1221X Refsource MISCPatchVendor Advisory