SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2017-0222

Microsoft Internet Explorer Remote Code Execution Vulnerability

KEVHIGH 8.8EPSS 29.6%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 25 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0226.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
29.64% probability · 98th percentile
CISA KEV
Listed 25 February 2022 · due 25 August 2022
Weakness
CWE-787
Affected
microsoft/internet explorer
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-0222

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