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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
Public exploits
None in Exploit-DB
CISA KEV
Listed 25 February 2022 · due 25 August 2022
Weakness
CWE-787
Affected
microsoft/internet explorer
Source
secure@microsoft.com
EPSS trend
0%15%30%27 October 2026: 29.64%27 October 202627 October 2026

EPSS 29.6% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.