The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista…

published 2010-02-10 16y ago modified 2026-06-16 4mo ago also EUVD-2010-0052

cvss: 9.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 32.6%; EPSS 32.6% chance of exploitation in 30 days, percentile 98%
public exploits: 0; none known

The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate request fields, which allows remote authenticated users to execute arbitrary code via a malformed request, aka "SMB Pathname Overflow Vulnerability."

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Exploit prediction

32.57% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness

CWE-20 Improper Input Validation
CWE-94 Improper Control of Generation of Code

References

docs.microsoft.com /en-us/security-updates/securitybulletins/2010/ms10-012
vendor-advisory
oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8438
vdb-entry, signature
us-cert.gov /cas/techalerts/TA10-040A.html
third-party-advisory, us-government-resource

Sources

CVE List CVE-2010-0020
NVD CVE-2010-0020

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