SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-8522

Microsoft browsers in Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an allow an attacker to execute arbitrary code in the context of the current user when the…

HIGH 7.5EPSS 8.21%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (8.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Microsoft browsers in Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an allow an attacker to execute arbitrary code in the context of the current user when the JavaScript engines fail to render when handling objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8517 and CVE-2017-8524.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
8.21% probability · 95th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
microsoft/internet explorer · microsoft/edge
Source
secure@microsoft.com

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