Is CVE-2013-3909 being actively exploited?

CVE-2013-3909 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-3909?

CVE-2013-3909 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2013-3909

MEDIUM · CVSS 4.3EPSS 15.0%EU EUVD

Microsoft Internet Explorer 6 through 8 allows remote attackers to read content from a different (1) domain or (2) zone via crafted characters in Cascading Style Sheets (CSS) token sequences, aka "Internet Explorer Information Disclosure Vulnerability."

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 15.0% (97th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-3841)
Published: November 13, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-3841 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

References

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

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