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.
CVE-2014-1770
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.2%
- KEV
- Not listed
Published
May 22, 2014
Last Modified
May 6, 2026
References (12)
- secure@microsofthttp://www.kb.cert.org/vuls/id/239151
- secure@microsofthttp://www.securityfocus.com/bid/67544
- secure@microsofthttp://www.securitytracker.com/id/1030266
- secure@microsofthttp://zerodayinitiative.com/advisories/ZDI-14-140/
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035
- secure@microsofthttps://www.corelan.be/index.php/2014/05/22/on-cve-2014-1770-zdi-14-140-internet-explorer-8-0day/
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/239151
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/67544
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1030266
- af854a3a-2127-422b-91ae-364da2661108http://zerodayinitiative.com/advisories/ZDI-14-140/
- af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035
- af854a3a-2127-422b-91ae-364da2661108https://www.corelan.be/index.php/2014/05/22/on-cve-2014-1770-zdi-14-140-internet-explorer-8-0day/
Data Freshness Timeline
(refreshed 5× in last 7d / 31× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:41 UTCEPSS rescore
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- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
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- 2026-05-28 18:51 UTCEG score recompute
- 2026-05-28 18:51 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
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Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-34010First seen Jul 8, 2014
Microsoft Internet Explorer 9/10 - CFormElement Use-After-Free / Memory Corruption (PoC) (MS14-035)
Open source ↗
Frequently asked(4)
What is CVE-2014-1770?
When was CVE-2014-1770 disclosed?
Is CVE-2014-1770 actively exploited?
How do I remediate CVE-2014-1770?
Dependency Blast Radius
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