CVE-2021-42279

CWE-787 — Out-of-bounds Write5 documents5 sources
Severity
7.5HIGH
EPSS
3.0%
top 13.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
15
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+12 more
Timeline
PublishedNov 10
Latest updateMay 24

Description

Chakra Scripting Engine Memory Corruption Vulnerability

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:NExploitability: 1.6 | Impact: 2.5

Affected Packages17 packages

▶NuGetMicrosoft.ChakraCore1.11.24
▶CVEListV5microsoft/chakracoreN/A
▶CVEListV5microsoft/windows_server_201610.0.0 — 10.0.14393.4770
▶CVEListV5microsoft/windows_server_201910.0.0 — 10.0.17763.2300
▶CVEListV5microsoft/windows_server_202210.0.0 — 10.0.20348.350

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

3
OSV
Chakra Scripting Engine and ChakraCore Vulnerable to Memory Corruption↗2022-05-24
▶
GHSA
Chakra Scripting Engine and ChakraCore Vulnerable to Memory Corruption↗2022-05-24
▶
CVEList
Chakra Scripting Engine Memory Corruption Vulnerability↗2021-11-10
▶

📋Vendor Advisories

1
Microsoft
Chakra Scripting Engine Memory Corruption Vulnerability↗2021-11-09
▶
CVE-2021-42279 (HIGH CVSS 7.5) | Chakra Scripting Engine Memory Corr | cvebase.io