CVE-2019-1006
An authentication bypass vulnerability exists in Windows Communication Foundation (WCF) and Windows Identity Foundation (WIF), allowing…
- 7.5HighCVSS base score
- 6.1%Exploitation in 30 daysEPSS · top 6.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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'.
Timeline
ID reserved
By microsoft
- 8 months later
· 8 months later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 6.1% · top 6.5% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
- affected 7 for 32-bit Systems Service Pack 1
- affected 7 for x64-based Systems Service Pack 1
- affected 8.1 for 32-bit systems
- affected 8.1 for x64-based systems
- affected RT 8.1
- affected 10 for 32-bit Systems
- affected 10 for x64-based Systems
- affected 10 Version 1607 for 32-bit Systems
- affected 10 Version 1607 for x64-based Systems
- affected 10 Version 1703 for 32-bit Systems
- affected 10 Version 1703 for x64-based Systems
- affected 10 Version 1709 for 32-bit Systems
- affected 10 Version 1709 for x64-based Systems
- affected 10 Version 1803 for 32-bit Systems
- affected 10 Version 1803 for x64-based Systems
- affected 10 Version 1803 for ARM64-based Systems
- affected 10 Version 1809 for 32-bit Systems
- affected 10 Version 1809 for x64-based Systems
- affected 10 Version 1809 for ARM64-based Systems
- affected 10 Version 1709 for ARM64-based Systems
- affected 2008 R2 for x64-based Systems Service Pack 1 (Core installation)
- affected 2008 R2 for Itanium-Based Systems Service Pack 1
- affected 2008 R2 for x64-based Systems Service Pack 1
- affected 2008 for 32-bit Systems Service Pack 2 (Core installation)
- affected 2012
- affected 2012 (Core installation)
- affected 2012 R2
- affected 2012 R2 (Core installation)
- affected 2016
- affected 2016 (Core installation)
- affected version 1803 (Core Installation)
- affected 2019
- affected 2019 (Core installation)
- affected 2008 for Itanium-Based Systems Service Pack 2
- affected 2008 for 32-bit Systems Service Pack 2
- affected 2008 for x64-based Systems Service Pack 2
- affected 2008 for x64-based Systems Service Pack 2 (Core installation)
Microsoft · Microsoft SharePoint Foundation
- affected 2010 Service Pack 2
- affected 2013 Service Pack 1
Microsoft · Microsoft .NET Framework 4.5.2
- affected Windows 7 for 32-bit Systems Service Pack 1
- affected Windows 7 for x64-based Systems Service Pack 1
- affected Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
- affected Windows Server 2008 R2 for x64-based Systems Service Pack 1
- affected Windows Server 2012
- affected Windows Server 2012 (Server Core installation)
- affected Windows 8.1 for 32-bit systems
- affected Windows 8.1 for x64-based systems
- affected Windows Server 2012 R2
- affected Windows RT 8.1
- affected Windows Server 2012 R2 (Server Core installation)
- affected Windows Server 2008 for 32-bit Systems Service Pack 2
- affected Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft · Microsoft .NET Framework 4.6
- affected Windows Server 2008 for 32-bit Systems Service Pack 2
- affected Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft · Microsoft SharePoint Enterprise Server
- affected 2016
- affected 2013 Service Pack 1
Microsoft · Microsoft .NET Framework 4.6/4.6.1/4.6.2
- affected Windows 10 for 32-bit Systems
- affected Windows 10 for x64-based Systems
Microsoft · Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
- affected Windows 7 for 32-bit Systems Service Pack 1
- affected Windows 7 for x64-based Systems Service Pack 1
- affected Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
- affected Windows Server 2008 R2 for x64-based Systems Service Pack 1
- affected Windows Server 2012
- affected Windows Server 2012 (Server Core installation)
- affected Windows 8.1 for 32-bit systems
- affected Windows 8.1 for x64-based systems
- affected Windows Server 2012 R2
- affected Windows RT 8.1
- affected Windows Server 2012 R2 (Server Core installation)
Microsoft · Microsoft SharePoint Server
- affected 2019
Microsoft · Windows 10 Version 1903 for 32-bit Systems
- affected unspecified
Microsoft · Windows 10 Version 1903 for x64-based Systems
- affected unspecified
Microsoft · Windows 10 Version 1903 for ARM64-based Systems
- affected unspecified
Microsoft · Windows Server, version 1903 (Server Core installation)
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2012
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2012 R2
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows RT 8.1
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2016
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)
- affected 1903
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019
- affected unspecified
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)
- affected unspecified
Microsoft · Microsoft.IdentityModel
- affected 7.0.0
Microsoft · Microsoft .NET Framework 3.5
- affected Windows Server 2012
- affected Windows Server 2012 (Server Core installation)
- affected Windows 8.1 for 32-bit systems
- affected Windows 8.1 for x64-based systems
- affected Windows Server 2012 R2
- affected Windows Server 2012 R2 (Server Core installation)
- affected Windows 10 for 32-bit Systems
- affected Windows 10 for x64-based Systems
- affected Windows Server 2016
- affected Windows 10 Version 1607 for 32-bit Systems
- affected Windows 10 Version 1607 for x64-based Systems
- affected Windows Server 2016 (Server Core installation)
- affected Windows 10 Version 1703 for 32-bit Systems
- affected Windows 10 Version 1703 for x64-based Systems
- affected Windows 10 Version 1709 for 32-bit Systems
- affected Windows 10 Version 1709 for x64-based Systems
- affected Windows 10 Version 1803 for 32-bit Systems
- affected Windows 10 Version 1803 for x64-based Systems
- affected Windows Server, version 1803 (Server Core Installation)
Microsoft · Microsoft .NET Framework 3.0
- affected Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2
- affected Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
- affected Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft · Microsoft .NET Framework 2.0
- affected Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2
- affected Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
- affected Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
Microsoft · Microsoft .NET Framework 3.5.1
- affected Windows 7 for 32-bit Systems Service Pack 1
- affected Windows 7 for x64-based Systems Service Pack 1
- affected Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
- affected Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
- affected Windows Server 2008 R2 for x64-based Systems Service Pack 1
References
References1
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1006 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-9592 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-1006)Record last updated .