CVE-2006-4686

CVE-2006-4686 is a high-severity vulnerability in Microsoft Xml Core Services with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 29% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

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.

Frequently asked questions

What is CVE-2006-4686?
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.
How severe is CVE-2006-4686?
CVE-2006-4686 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-4686 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4686?
CVE-2006-4686 primarily affects Microsoft Xml Core Services. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4686?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-4686 published?
CVE-2006-4686 was published on 2006-10-10 and last updated on 2026-06-16.

References

Affected products (4)

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