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CVE-2021-26411

Internet Explorer Memory Corruption Vulnerability

Published
Last modified
published
Listed in CISA KEV
Fix
Fixed in 10.0.17134.2087, 6.0.6003.21070
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: active
  • Automatable: no
  • Technical impact: partial

Summary

Microsoft Internet Explorer is affected by this memory corruption flaw, which could allow an attacker to run arbitrary code on a user's system if they are tricked into visiting a malicious web page. The impact could include full control over the affected computer, depending on the privileges of the logged-in user.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

Internet Explorer Memory Corruption Vulnerability

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. CISA SSVC assessment

    Exploitation: active · Automatable: no · Technical impact: partial

  5. Record last updated
  6. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Microsoft Internet Explorer 11

    From 1.0.0 · fixed in 10.0.17134.2087

  • Microsoft Internet Explorer 9

    From 1.0.0 · fixed in 6.0.6003.21070

  • Microsoft Microsoft Edge (EdgeHTML-based)

    From 1.0..0 · fixed in 10.0.17134.2087

References 1

msrc.microsoft.com