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Vulnerability record · CVE-2007-3436 · published 27 June 2007

CVE-2007-3436: Microsoft msn messenger vulnerability

Microsoft · Msn Messenger

Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consumption) via a flood of SIP INVITE requests to the port specified for voice conversation.

5.0 CVSS 2.0 Medium EPSS 13% · top 3.9%
5.0CVSS 2.0 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Microsoft MSN Messenger 4.7 on Windows XP allows remote attackers to cause a denial of service (resource consumption) via a flood of SIP INVITE requests to the port specified for voice conversation.

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

Affected products

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

References

LinkTags
http://osvdb.org/45427
http://www.sipera.com/index.php?action=resources%2Cthreat_advisory&tid=292&
https://exchange.xforce.ibmcloud.com/vulnerabilities/35064
http://osvdb.org/45427
http://www.sipera.com/index.php?action=resources%2Cthreat_advisory&tid=292&
https://exchange.xforce.ibmcloud.com/vulnerabilities/35064

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-3436), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.