What’s Vulnerable › Vulnerabilities

CVE-2016-3255

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 24.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-07-13 · updated 2026-06-17
• Weakness: CWE-200

Description

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, and 4.6.1 allows remote attackers to read arbitrary files via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, aka ".NET Information Disclosure Vulnerability."

Affected products

• Microsoft .NET Framework: 2.0-sp2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1

References

• http://www.securityfocus.com/bid/91601
• http://www.securitytracker.com/id/1036291
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-091
• http://www.securityfocus.com/bid/91601
• http://www.securitytracker.com/id/1036291
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-091

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