Buffer overflow in the Extensible Stylesheet Language Transformations (XSLT) processing in Microsoft XML Parser 2.6 and XML Core Services 3.0 through 6.0 allows remote attackers to execute arbitrary code via a crafted Web page.
CVE-2006-4686
NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 29%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 97.9%
- KEV
- Not listed
Published
October 10, 2006
Last Modified
April 23, 2026
References (18)
- secure@microsofthttp://secunia.com/advisories/22333
- secure@microsofthttp://securitytracker.com/id?1017033
- secure@microsofthttp://www.kb.cert.org/vuls/id/562788
- secure@microsofthttp://www.osvdb.org/29426
- secure@microsofthttp://www.securityfocus.com/archive/1/449179/100/0/threaded
- secure@microsofthttp://www.securityfocus.com/bid/20338
- secure@microsofthttp://www.vupen.com/english/advisories/2006/3980
- secure@microsofthttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-061
- secure@microsofthttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A285
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/22333
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1017033
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/562788
- af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/29426
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/449179/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/20338
Data Freshness Timeline
(refreshed 6× in last 7d / 28× 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.
- 2026-07-13 22:25 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2006-4686?
CVE-2006-4686 is a none vulnerability published on October 10, 2006. Buffer overflow in the Extensible Stylesheet Language Transformations (XSLT) processing in Microsoft XML Parser 2.6 and XML Core Services 3.0 through 6.0 allows remote attackers to execute arbitrary code via a crafted Web page.
When was CVE-2006-4686 disclosed?
CVE-2006-4686 was first published in the National Vulnerability Database on October 10, 2006, 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-2006-4686 actively exploited?
CVE-2006-4686 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-4686?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-4686, 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
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