CVE-2007-2931

Heap-based buffer overflow in Microsoft MSN Messenger 6.2, 7.0, and 7.5, and Live Messenger 8.0...

9.3 HighPublic exploit

Heap-based buffer overflow in Microsoft MSN Messenger 6.2, 7.0, and 7.5, and Live Messenger 8.0 allows user-assisted remote attackers to execute arbitrary code via unspecified vectors involving video conversation handling in Web Cam and video chat sessions.

Exploit likelihood

55.5%Down 7.3 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2007-2931
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-20, CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-2931
Updated: 2026-11-02

EUVDEUVD-2007-2923 No score

Record: EUVD-2007-2923
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r4f4-2vcp-525p No score

Heap-based buffer overflow in Microsoft MSN Messenger 6.2, 7.0, and 7.5, and Live Messenger 8.0...

Record: GHSA-r4f4-2vcp-525p
Weakness: CWE-20, CWE-119
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft MSN Messenger 8.0 - Video Conversation Buffer Overflow	2007-08-28
Exploit-DB	Microsoft MSN Messenger 7.x/8.0? - Video Remote Heap Overflow	2007-08-29

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	aliases, exploits, facts, references, title	Exploit-DB, GitHub Advisories
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-2931 is a high vulnerability (CVSS 9.3) in Microsoft Msn Messenger, published August 31, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 55.5%, the 99th percentile. No source names a fixed version.

References

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