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Vulnerability record · CVE-2012-2551 · published 9 October 2012

CVE-2012-2551: Microsoft windows 7 vulnerability

Microsoft · Windows 7

The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka "Kerberos NULL Dereference Vulnerability."

5.0 CVSS 2.0 Medium EPSS 27% · top 2.0%
5.0CVSS 2.0 base score
27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka "Kerberos NULL Dereference Vulnerability."

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/50867
http://www.securityfocus.com/bid/55778
http://www.securitytracker.com/id?1027620
http://www.us-cert.gov/cas/techalerts/TA12-283A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-069
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15674
http://secunia.com/advisories/50867
http://www.securityfocus.com/bid/55778
http://www.securitytracker.com/id?1027620
http://www.us-cert.gov/cas/techalerts/TA12-283A.html US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-069
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15674

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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-2012-2551), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.