CVE-2021-26419

HIGH

Internet Explorer - Out-of-bounds Write in Scripting Engine

Title source: llm

Scripting Engine Memory Corruption Vulnerability

Core 2

Core References

Patch, Vendor Advisory x_refsource_misc

Exploit, Third Party Advisory x_refsource_misc

CVSS v3 7.5

EPSS 0.2260

EPSS Percentile 97.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE

CWE-787

Status published

Products (2)

microsoft/internet_explorer 11

microsoft/internet_explorer 9

Published May 11, 2021

Tracked Since Feb 18, 2026