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Vulnerability record · CVE-2007-2228 · published 9 October 2007

CVE-2007-2228: Microsoft windows 2000 vulnerability

Microsoft · Windows 2000

rpcrt4.dll (aka the RPC runtime library) in Microsoft Windows XP SP2, XP Professional x64 Edition, Server 2003 SP1 and SP2, Server 2003 x64 Edition and x64 Edition SP2, and Vista and Vista x64 Edition allows remote attackers to cause a denial of service (RPCSS service stop and system restart) via an RPC request that uses NTLMSSP PACKET authentication with a zero-valued verification trailer signature, which triggers an invalid dereference. NOTE: this also affects Windows 2000 SP4, although the impact is an information leak.

7.8 CVSS 2.0 High EPSS 43% · top 1.3%
7.8CVSS 2.0 base score
43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

rpcrt4.dll (aka the RPC runtime library) in Microsoft Windows XP SP2, XP Professional x64 Edition, Server 2003 SP1 and SP2, Server 2003 x64 Edition and x64 Edition SP2, and Vista and Vista x64 Edition allows remote attackers to cause a denial of service (RPCSS service stop and system restart) via an RPC request that uses NTLMSSP PACKET authentication with a zero-valued verification trailer signature, which triggers an invalid dereference. NOTE: this also affects Windows 2000 SP4, although the impact is an information leak.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/27134 Vendor Advisory
http://secunia.com/advisories/27153 Vendor Advisory
http://securitytracker.com/id?1018787
http://www.securityfocus.com/archive/1/482023/100/0/threaded
http://www.securityfocus.com/archive/1/482366/100/0/threaded
http://www.securityfocus.com/bid/25974
http://www.us-cert.gov/cas/techalerts/TA07-282A.html US Government Resource
http://www.vupen.com/english/advisories/2007/3438 Vendor Advisory
http://www.zerodayinitiative.com/advisories/ZDI-07-055.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-058
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2310
http://secunia.com/advisories/27134 Vendor Advisory
http://secunia.com/advisories/27153 Vendor Advisory
http://securitytracker.com/id?1018787
http://www.securityfocus.com/archive/1/482023/100/0/threaded
http://www.securityfocus.com/archive/1/482366/100/0/threaded
http://www.securityfocus.com/bid/25974
http://www.us-cert.gov/cas/techalerts/TA07-282A.html US Government Resource
http://www.vupen.com/english/advisories/2007/3438 Vendor Advisory
http://www.zerodayinitiative.com/advisories/ZDI-07-055.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-058
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2310

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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-2007-2228), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.