kbrain

CVE-2007-6255

HIGH · CVSS 9.3EPSS 30.1%EU EUVD

Buffer overflow in the Microsoft HeartbeatCtl ActiveX control in HRTBEAT.OCX allows remote attackers to execute arbitrary code via the Host argument to an unspecified method.

Key facts

CVSS score
9.3 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-119
EPSS score
30.1% (98th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-6223)
Published
April 23, 2008
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-6223 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / internet explorer
  • microsoft / internet explorer
  • microsoft / internet explorer
  • microsoft / internet explorer
  • microsoft / windows 2000
  • microsoft / windows server 2003
  • microsoft / windows server 2003
  • microsoft / windows server 2003
  • microsoft / windows server 2003
  • microsoft / windows server 2003
  • microsoft / windows server 2003
  • microsoft / windows vista
  • microsoft / windows vista
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp
  • microsoft / windows xp

References

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

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain