CVE-2010-0477
Description
The SMB client in Microsoft Windows Server 2008 R2 and Windows 7 does not properly handle (1) SMBv1 and (2) SMBv2 response packets, which allows remote SMB servers and man-in-the-middle attackers to execute arbitrary code via a crafted packet that causes the client to read the entirety of the response, and then improperly interact with the Winsock Kernel (WSK), aka "SMB Client Message Size Vulnerability."
Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
- Score
- 0.50186 (50.2% probability)
- Percentile
- 98.9%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
References
- 39372 (secunia.com)third-party-advisory
- MS10-020 (docs.microsoft.com)vendor-advisory
- TA10-103A (us-cert.gov)third-party-advisory
- oval:org.mitre.oval:def:6859 (oval.cisecurity.org)vdb-entrysignature
Timeline
- ID reserved
- Record published
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:47 UTC. Sources and licenses