CVE-2021-26411
Microsoft Internet Explorer Memory Corruption Vulnerability
CVSS
—
No CVSS
EPSS
80.7%
p100
KEV
YES
Nov 3, 2021
Exploit Today
80
0-100
Published: — · Last modified: —
80.7%EPSS · 30 days81.1%
2026-06-302026-07-16
Product
Microsoft / Internet Explorer
Vulnerability
Microsoft Internet Explorer Memory Corruption Vulnerability
Added to KEV
Nov 3, 2021
Remediate by
Nov 17, 2021
Known ransomware use
Yes
Summary description
Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-26411
CVECVSSEPSSKEVRExploitTitleMod.
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