Is CVE-2014-2783 being actively exploited?

CVE-2014-2783 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-2783?

CVE-2014-2783 has a CVSS 2.0 base score of 6.4 (MEDIUM).

CVE-2014-2783

MEDIUM · CVSS 6.4EPSS 8.6%EU EUVD

Microsoft Internet Explorer 7 through 11 does not prevent use of wildcard EV SSL certificates, which might allow remote attackers to spoof a trust level by leveraging improper issuance of a wildcard certificate by a recognized Certification Authority, aka "Extended Validation (EV) Certificate Security Feature Bypass Vulnerability."

Key facts

CVSS score: 6.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-264
EPSS score: 8.6% (95th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-2810)
Published: July 8, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-2810 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / internet explorer
microsoft / internet explorer
microsoft / internet explorer
microsoft / internet explorer
microsoft / internet explorer

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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