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Vulnerability record · CVE-2011-0031 · published 9 February 2011

CVE-2011-0031: Microsoft windows 7 information exposure vulnerability

Microsoft · Windows 7

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."

4.3 CVSS 2.0 Medium EPSS 17% · top 3.0% CWE-200 · Information exposure
4.3CVSS 2.0 base score
17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
16References
16 Jun 2026Last modified by 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."

AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/70827
http://secunia.com/advisories/43249 Vendor Advisory
http://www.securityfocus.com/bid/46139
http://www.securitytracker.com/id?1025044
http://www.vupen.com/english/advisories/2011/0322 Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-009
https://exchange.xforce.ibmcloud.com/vulnerabilities/64919
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12313
http://osvdb.org/70827
http://secunia.com/advisories/43249 Vendor Advisory
http://www.securityfocus.com/bid/46139
http://www.securitytracker.com/id?1025044
http://www.vupen.com/english/advisories/2011/0322 Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-009
https://exchange.xforce.ibmcloud.com/vulnerabilities/64919
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12313

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-0031), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.