CVE-2014-6363

vbscript.dll in Microsoft VBScript 5.6 through 5.8, as used with Internet Explorer 6 through 11...

9.3 HighPublic exploit

vbscript.dll in Microsoft VBScript 5.6 through 5.8, as used with Internet Explorer 6 through 11 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "VBScript Memory Corruption Vulnerability."

Exploit likelihood

28.4%Down 42.1 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2014-6363
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Record: CVE-2014-6363
Updated: 2026-11-02

EUVDEUVD-2014-6247 No score

Record: EUVD-2014-6247
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rvqq-gvgx-253h No score

vbscript.dll in Microsoft VBScript 5.6 through 5.8, as used with Internet Explorer 6 through 11...

Record: GHSA-rvqq-gvgx-253h
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft Internet Explorer 8/9/10/11 / IIS / CScript.exe/WScript.exe VBScript - CRegExp..Execute Use of Uninitialized Memory (MS14-080/MS14-084)	2016-11-07

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-6363 is a high vulnerability (CVSS 9.3) in Microsoft Internet Explorer, published December 11, 2014. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 28.4%, the 98th percentile. No source names a fixed version.