Home/CVE/vbscript.dll in Microsoft VBScript 5.6 through 5.8, as used with Internet Explorer 6 through 11 and other products, allo
CVE

CVE-2014-6363

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

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.".

HIGH · CVSS 9.3 EPSS 0.26832
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules7 YARA rules0
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Affected Products & Versions

2
microsoft vbscriptall versions
microsoft internet explorerall versions
⚠

Public Exploits & PoCs

2
remoteMicrosoft Internet Explorer 8/9/10/11 / IIS / CScript.exe/WScript.exe VBScript - CRegExp..Execute Use of Uninitialized Memory (MS14-080/MS14-084)verified
pocwww.exploit-db.com · 40721www.exploit-db.com
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Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumInternet Explorer DisableFirstRunCustomize Enabled
productmediumInternet Explorer Autorun Keys Modification
producthighSuspicious Rundll32 Invoking Inline VBScript
producthighVBScript Payload Stored in Registry
productmediumRegistry Modification Attempt Via VBScript - PowerShell
productmediumRegistry Modification Attempt Via VBScript
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Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · secure@microsoft.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD11 Dec 2014 · 12:59 AM
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-080
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-084
https://www.verisign.com/en_US/security-services/security-intelligence/vulnerability-reports/articles/index.xhtml?id=1075Third Party AdvisoryVDB Entry
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