Is CVE-2011-0031 in the CISA KEV catalog?

No. CVE-2011-0031 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-0031?

CVE-2011-0031 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2011-0031?

CVE-2011-0031 has an EPSS score of 17.03% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-0031

MEDIUMEPSS 97th pctl

4.3

CVSS v2

NVD

Description

The (1) JScript 5.8 and (2) VBScript 5.8 scripting engines in Microsoft Windows Server 2008 R2 and Windows 7 do not properly load decoded scripts obtained from web pages, which allows remote attackers to trigger memory corruption and consequently obtain sensitive information via a crafted web site, aka "Scripting Engines Information Disclosure Vulnerability."

CWE-200Information Exposure

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

17.03%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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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.