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Vulnerability record · CVE-2012-1873 · published 12 June 2012

CVE-2012-1873: Microsoft internet explorer information exposure vulnerability

Microsoft · Internet Explorer

Microsoft Internet Explorer 7 through 9 does not properly create and initialize string data, which allows remote attackers to obtain sensitive information from process memory via a crafted HTML document, aka "Null Byte Information Disclosure Vulnerability."

4.3 CVSS 2.0 Medium EPSS 18% · top 2.9% CWE-200 · Information exposure
4.3CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Microsoft Internet Explorer 7 through 9 does not properly create and initialize string data, which allows remote attackers to obtain sensitive information from process memory via a crafted HTML document, aka "Null Byte Information Disclosure Vulnerability."

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

Affected products

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

References

LinkTags
http://www.us-cert.gov/cas/techalerts/TA12-164A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15026
http://www.us-cert.gov/cas/techalerts/TA12-164A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15026

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

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Source: NIST National Vulnerability Database (record CVE-2012-1873), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.