Is CVE-2006-6252 being actively exploited?

CVE-2006-6252 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2006-6252?

CVE-2006-6252 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2006-6252

MEDIUM · CVSS 4.3EPSS 11.2%EU EUVD

Microsoft Windows Live Messenger 8.0 and earlier, when gestual emoticons are enabled, allows remote attackers to cause a denial of service (CPU consumption) via a long string composed of ":D" sequences, which are interpreted as emoticons.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS score: 11.2% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2006-6235)
Published: December 4, 2006
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-6235 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / windows live messenger

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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