Is CVE-2013-0811 being actively exploited?

CVE-2013-0811 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-0811?

CVE-2013-0811 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2013-0811

HIGH · CVSS 9.3EPSS 20.6%EU EUVD

Use-after-free vulnerability in Microsoft Internet Explorer 8 and 9 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer Use After Free Vulnerability," a different vulnerability than CVE-2013-1307.

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-416
EPSS score: 20.6% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-0822)
Published: May 15, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-0822 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

References

http://www.us-cert.gov/ncas/alerts/TA13-134A(Third Party Advisory, US Government Resource)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-037
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15979

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

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