CVE-2007-6255

NONECVSS 0.0Elevated

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 98.0%
KEV: Not listed

Published

April 23, 2008

Last Modified

April 23, 2026

References (10)

cret@certhttp://osvdb.org/44652
cret@certhttp://www.kb.cert.org/vuls/id/570089
cret@certhttp://www.securityfocus.com/bid/28882
cret@certhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-069
cret@certhttps://exchange.xforce.ibmcloud.com/vulnerabilities/41940
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/44652
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/570089
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/28882
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-069
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/41940

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 8× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-16 17:49 UTCEPSS rescore
2026-06-16 17:49 UTCEPSS rescore
2026-06-16 17:49 UTCEPSS rescore
2026-06-15 17:44 UTCEPSS rescore
2026-06-13 22:57 UTCEPSS rescore
2026-06-12 23:08 UTCEPSS rescore
2026-06-10 22:14 UTCEPSS rescore
2026-06-10 13:17 UTCEPSS rescore
2026-06-08 14:13 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-30 22:01 UTCEG score recompute
2026-05-30 22:01 UTCGHSA enrichment
2026-05-29 13:40 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore

Show 10 more

2026-05-27 13:37 UTCEPSS rescore
2026-05-27 13:37 UTCEPSS rescore
2026-05-24 16:42 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-21 22:38 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2007-6255?

CVE-2007-6255 is a none vulnerability published on April 23, 2008. 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.

When was CVE-2007-6255 disclosed?

CVE-2007-6255 was first published in the National Vulnerability Database on April 23, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2007-6255 actively exploited?

CVE-2007-6255 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2007-6255?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-6255, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2007-6255

Explore →

Is Your Infrastructure Affected by CVE-2007-6255?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2007-6255

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2007-6255?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (10)

Frequently asked(4)

Related CVEs(same CWE)