CVE-2019-1006
mediumpriority · track · 42EPSS 0.061 · 93 %ileexploit · PoCEURUUSEPSS · scored 2026-10-23
An authentication bypass vulnerability exists in Windows Communication Foundation (WCF) and Windows Identity Foundation (WIF), allowing signing of SAML tokens with arbitrary symmetric keys, aka 'WCF/WIF SAML Token Authentication Bypass Vulnerability'.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- 521526/CVE-2019-1006521526/CVE-2019-1006PoC · poc_in_github
affected products (191)
Products and version ranges known to be affected.
- Microsoft Microsoft .NET Framework 2.0≤ Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2enisa_euvdEU
- Microsoft Microsoft .NET Framework 2.0≤ Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2enisa_euvdEU
- Microsoft Microsoft .NET Framework 2.0≤ Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2enisa_euvdEU
- Microsoft Microsoft .NET Framework 3.0≤ Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2enisa_euvdEU
- Microsoft Microsoft .NET Framework 3.0≤ Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2enisa_euvdEU
- Microsoft Microsoft .NET Framework 3.0≤ Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2enisa_euvdEU
- Microsoft Microsoft .NET Framework 3.5≤ Windows Server, version 1803 (Server Core Installation)enisa_euvdEU
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- http://www.microsoft.comcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-1006cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1006cnnvd
- https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2019-1006Patchcnnvd
- https://security.business.xerox.com/wp-content/uploads/2019/11/cert_XRX19-029_FFPSv2_Win10_SecurityBulletin_Nov2019.pdfcnnvd
- https://vigilance.fr/vulnerability/Windows-vulnerabilities-of-July-2019-29727cnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.4343/cnnvd
- https://www.securityfocus.com/bid/108978cnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan