Is CVE-2003-1027 in the CISA KEV catalog?

No. CVE-2003-1027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2003-1027?

CVE-2003-1027 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2003-1027?

CVE-2003-1027 has an EPSS score of 38.05% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2003-1027

HIGHEPSS 98th pctl

10.0

CVSS v2

NVD

Description

Internet Explorer 5.01 through 6 SP1 allows remote attackers to direct drag and drop behaviors and other mouse click actions to other windows by using method caching (SaveRef) to access the window.moveBy method, which is otherwise inaccessible, as demonstrated by HijackClickV2, a different vulnerability than CVE-2003-0823, aka the "Function Pointer Drag and Drop Vulnerability."

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

38.05%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 2026-04-16.