What’s Vulnerable › Vulnerabilities

CVE-2010-0816

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 20.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-05-12 · updated 2026-06-16
• Weakness: CWE-189

Description

Integer overflow in inetcomm.dll in Microsoft Outlook Express 5.5 SP2, 6, and 6 SP1; Windows Live Mail on Windows XP SP2 and SP3, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7; and Windows Mail on Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows remote e-mail servers and man-in-the-middle attackers to execute arbitrary code via a crafted (1) POP3 or (2) IMAP response, as demonstrated by a certain +OK response on TCP port 110, aka "Outlook Express and Windows Mail Integer Overflow Vulnerability."

Affected products

• Microsoft Outlook Express: 5.5-sp2, 6.0-sp1, 6.0
• Microsoft Windows Live Mail: all versions
• Microsoft Windows Mail: all versions

References

• http://archives.neohapsis.com/archives/bugtraq/2010-05/0068.html
• http://www.protekresearchlab.com/index.php?option=com_content&view=article&id=13&Itemid=13
• http://www.securityfocus.com/bid/40052
• http://www.us-cert.gov/cas/techalerts/TA10-131A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-030
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6734
• http://archives.neohapsis.com/archives/bugtraq/2010-05/0068.html
• http://www.protekresearchlab.com/index.php?option=com_content&view=article&id=13&Itemid=13
• http://www.securityfocus.com/bid/40052
• http://www.us-cert.gov/cas/techalerts/TA10-131A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-030
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6734

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