Microsoft Internet Explorer Memory Corruption Vulnerability

Added to KEV
2022-05-24
Federal due date
2022-06-14
Vendor
Microsoft
Product
Internet Explorer
EPSS
97.1th percentile (score 0.340, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2017-0149

CISA short description

Microsoft Internet Explorer contains a memory corruption vulnerability that allows remote attackers to execute code or cause a denial-of-service (DoS) via a crafted website.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.