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CVE-2021-26419

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Scripting Engine Memory Corruption Vulnerability

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Internet Explorer 11	>= 1.0.0, < 10.0.14393.4401; >= 1.0.0, < 10.0.17134.2207; >= 1.0.0, < 10.0.17763.1935; >= 1.0.0, < 10.0.18363.1556; >= 1.0.0, < 10.0.19041.982; >= 1.0.0, < 10.0.10240.18931; >= 1.0.0, < 6.1.7601.24597; >= 1.0.0, < 6.1; >= 1.0.0, < 6.3.9600.20017; >= 1.0.0, < 6.3.9600.20016; >= 1.0.0, < 6.2.9200.23347; >= 1.0.0, < 6.2
Microsoft	Internet Explorer 9	>= 1.0.0, < 6.0.6003.21117; >= 1.0.0, < 6.0

References

http://packetstormsecurity.com/files/162570/Internet-Explorer-jscript9.dll-Memory-Corruption.htmlExploit, Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26419Patch, Vendor Advisory
http://packetstormsecurity.com/files/162570/Internet-Explorer-jscript9.dll-Memory-Corruption.htmlExploit, Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26419Patch, Vendor Advisory

Timeline

Published: May 11, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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