CVE-2003-1027

CVE-2003-1027 is a critical-severity vulnerability in Microsoft Ie with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

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."

Frequently asked questions

What is CVE-2003-1027?
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."
How severe is CVE-2003-1027?
CVE-2003-1027 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2003-1027 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1027?
CVE-2003-1027 primarily affects Microsoft Ie. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1027?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2003-1027 published?
CVE-2003-1027 was published on 2004-01-20 and last updated on 2026-06-16.

References

Affected products (10)

More vulnerabilities in Microsoft Ie

All CVEs affecting Microsoft Ie →