CVE-2010-0816

Exp

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."

Published: 2010-05-12 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-0816 is rated High Exploit Risk (81.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 35.44%, 97th percentile). 4 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2010-0816

EDB-ID Source Kind Published Link
12564 exploit_db edb 2010-05-11 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2010-0816

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-28 55.45% 35.44% -20.00%
2 2025-12-27 35.44% 55.45% +20.00%
3 2025-10-28 — 35.44% —

Full EPSS history (22 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0816

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2010-0816

Affected software / configurations for CVE-2010-0816

Vendor Product Version Raw CPE
microsoft outlook_express 5.5 cpe:2.3:a:microsoft:outlook_express:5.5:sp2:*:*:*:*:*:*
microsoft outlook_express 6.0 cpe:2.3:a:microsoft:outlook_express:6.0:sp1:*:*:*:*:*:*
microsoft outlook_express 6.0 cpe:2.3:a:microsoft:outlook_express:6.0:*:*:*:*:*:*:*
microsoft windows_live_mail — cpe:2.3:a:microsoft:windows_live_mail:*:*:*:*:*:*:*:*
microsoft windows_mail — cpe:2.3:a:microsoft:windows_mail:*:*:*:*:*:*:*:*

References for CVE-2010-0816

cvelogic Threat Intelligence