Is CVE-2011-3400 in the CISA KEV catalog?

No. CVE-2011-3400 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3400?

CVE-2011-3400 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2011-3400?

CVE-2011-3400 has an EPSS score of 71.72% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-3400

HIGHEPSS 99th pctl

9.3

CVSS v2

NVD

Description

Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 do not properly handle OLE objects in memory, which allows remote attackers to execute arbitrary code via a crafted object in a file, aka "OLE Property Vulnerability."

CWE-94Code Injection

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

71.72%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

http://www.us-cert.gov/cas/techalerts/TA11-347A.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-093
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14668

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.