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Vulnerability record · CVE-2012-0156 · published 13 March 2012

CVE-2012-0156: Microsoft windows 7 improper input validation vulnerability

Microsoft · Windows 7

DirectWrite in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly render Unicode characters, which allows remote attackers to cause a denial of service (application hang) via a (1) instant message or (2) web site, aka "DirectWrite Application Denial of Service Vulnerability."

4.3 CVSS 2.0 Medium EPSS 15% · top 3.4% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

DirectWrite in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly render Unicode characters, which allows remote attackers to cause a denial of service (application hang) via a (1) instant message or (2) web site, aka "DirectWrite Application Denial of Service Vulnerability."

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

Affected products

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

References

LinkTags
http://osvdb.org/80003
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-019
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14807
http://osvdb.org/80003
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-019
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14807

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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-2012-0156), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.