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OpenAdvisories
High · 8.8 Known exploited · Ransomware Publicly disclosed Public exploit CVE-2021-26411 EUVD-2021-13217GHSA-c5rh-mmr6-c7ch

Internet Explorer Memory Corruption Vulnerability

Published Mar 11, 2021 · Updated Oct 1, 2026 · Assigned by microsoft

Description

Internet Explorer Memory Corruption Vulnerability

Affected products

VendorProductAffectedFixed
Microsoft Internet Explorer 11 1.0.0 – < 10.0.17134.2087 10.0.17134.2087
Microsoft Internet Explorer 9 1.0.0 – < 6.0.6003.21070 6.0.6003.21070
Microsoft Microsoft Edge (EdgeHTML-based) 1.0..0 – < 10.0.17134.2087 10.0.17134.2087

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 1

References