SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-1138

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'.

HIGH 7.5EPSS 8.67%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (8.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1217, CVE-2019-1237, CVE-2019-1298, CVE-2019-1300.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
8.67% probability · 95th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
microsoft/edge · microsoft/chakracore
Source
secure@microsoft.com

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