CVE-2007-6255 describes a critical buffer overflow vulnerability in the Microsoft HeartbeatCtl ActiveX control (HRTBEAT.OCX) affecting multiple Microsoft Windows operating systems and Internet Explorer. This flaw allows remote attackers to execute arbitrary code by supplying a malicious 'Host' argument to an unspecified method. With a CVSS score of 9.3, this vulnerability is highly severe, requiring no authentication and having a medium attack complexity, but leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity and potential for remote code execution, there is no public exploit intelligence available, nor is it listed in CISA's KEV catalog, and it has received negligible community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2003:-:*:*:*:*:*:x64:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2003:-:sp1:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2003:-:sp1:*:*:*:*:itanium:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.