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Vulnerability record · CVE-2010-1256 · published 8 June 2010

CVE-2010-1256: Microsoft internet information server code injection vulnerability

Microsoft · Internet Information Server

Unspecified vulnerability in Microsoft IIS 6.0, 7.0, and 7.5, when Extended Protection for Authentication is enabled, allows remote authenticated users to execute arbitrary code via unknown vectors related to "token checking" that trigger memory corruption, aka "IIS Authentication Memory Corruption Vulnerability."

8.5 CVSS 2.0 High EPSS 28% · top 1.9% CWE-94 · Code injection
8.5CVSS 2.0 base score
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

Unspecified vulnerability in Microsoft IIS 6.0, 7.0, and 7.5, when Extended Protection for Authentication is enabled, allows remote authenticated users to execute arbitrary code via unknown vectors related to "token checking" that trigger memory corruption, aka "IIS Authentication Memory Corruption Vulnerability."

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/40573
http://www.us-cert.gov/cas/techalerts/TA10-159B.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-040
https://exchange.xforce.ibmcloud.com/vulnerabilities/58864
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7149
http://www.securityfocus.com/bid/40573
http://www.us-cert.gov/cas/techalerts/TA10-159B.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-040
https://exchange.xforce.ibmcloud.com/vulnerabilities/58864
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7149

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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-2010-1256), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.