Is CVE-2014-1770 in the CISA KEV catalog?

No. CVE-2014-1770 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-1770?

CVE-2014-1770 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2014-1770?

CVE-2014-1770 has an EPSS score of 34.77% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2014-1770

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

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.

CWE-399

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

34.77%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.