CVE-2014-0271

The VBScript engine in Microsoft Internet Explorer 6 through 11, and VBScript 5.6 through 5.8, 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."

Published: 2014-02-12 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-0271 is rated High Risk (66.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 38.43%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-0271

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 43.18% 38.43% -4.75%
2 2026-01-04 45.66% 43.18% -2.48%
3 2025-03-30 — 45.66% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-0271

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2014-0271

Affected software / configurations for CVE-2014-0271

Vendor Product Version Raw CPE
microsoft internet_explorer 6 cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
microsoft internet_explorer 7 cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
microsoft internet_explorer 8 cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
microsoft internet_explorer 9 cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
microsoft internet_explorer 10 cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
microsoft internet_explorer 11 cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
microsoft vbscript 5.6 cpe:2.3:a:microsoft:vbscript:5.6:*:*:*:*:*:*:*
microsoft vbscript 5.7 cpe:2.3:a:microsoft:vbscript:5.7:*:*:*:*:*:*:*
microsoft vbscript 5.8 cpe:2.3:a:microsoft:vbscript:5.8:*:*:*:*:*:*:*

References for CVE-2014-0271

cvelogic Threat Intelligence