Applied Cybernetics Group
Threat intel → detection pipeline
Friday, September 18, 2026
Data as of 13:09 UTC

Microsoft Internet Explorer Memory Corruption Vulnerability

Added to KEV
2022-04-13
Federal due date
2022-05-04
Vendor
Microsoft
Product
Internet Explorer
EPSS
98.9th percentile (score 0.511, as of 2026-09-16)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2015-2502

CISA short description

Microsoft Internet Explorer contains a memory corruption vulnerability that allows an attacker to execute code or cause a denial-of-service (DoS).

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.