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Microsoft, Internet Explorer
Description
Microsoft Internet Explorer contains a memory corruption vulnerability that allows remote attackers to execute code or cause a denial of service via a crafted website.
CVSS severity
High (8.8/10)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Sourced from NVD, reflects how severe this vulnerability is if exploited, not whether it has been. Every advisory on this page is already a CISA-confirmed active exploitation case regardless of its CVSS score.
EPSS, exploit probability
Critical70.7%
estimated chance of real-world exploitation in the next 30 days, higher than 99.4% of every CVE FIRST.org scores
Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.
Required action
The impacted product is end-of-life and should be disconnected if still in use.
CISA-recommended due date: 2023-04-20
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