What’s Vulnerable › Vulnerabilities

CVE-2014-1770

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 34.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-05-22 · updated 2026-06-17
• Weakness: CWE-399

Description

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript code that interacts improperly with a CollectGarbage function call on a CMarkup object allocated by the CMarkup::CreateInitialMarkup function.

Affected products

• Microsoft Internet Explorer 11: 6, 7, 8, 9, 10, 11

References

• http://www.kb.cert.org/vuls/id/239151
• http://www.securityfocus.com/bid/67544
• http://www.securitytracker.com/id/1030266
• http://zerodayinitiative.com/advisories/ZDI-14-140/
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035
• https://www.corelan.be/index.php/2014/05/22/on-cve-2014-1770-zdi-14-140-internet-explorer-8-0day/
• http://www.kb.cert.org/vuls/id/239151
• http://www.securityfocus.com/bid/67544
• http://www.securitytracker.com/id/1030266
• http://zerodayinitiative.com/advisories/ZDI-14-140/
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035
• https://www.corelan.be/index.php/2014/05/22/on-cve-2014-1770-zdi-14-140-internet-explorer-8-0day/

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