SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-42279

Chakra Scripting Engine Memory Corruption Vulnerability

MEDIUM 4.2EPSS 2.30%

Does this matter?

Lower severity and a low EPSS score (2.30%). Track it; it rarely justifies an emergency change on its own.

Description

Chakra Scripting Engine Memory Corruption Vulnerability

CVSS 3.1
4.2 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS
2.30% probability · 82th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
microsoft/windows 10 · microsoft/windows 11 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.