MEDIUM
A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server, aka "Active Directory Federation Services XSS Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers
Published Nov 14, 2018
5.4
MEDIUMCVSS 3.0
EPSS 1.62%
Description
A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server, aka "Active Directory Federation Services XSS Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.
Affected products
-
- Version Version 1607 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1607 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1709 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1709 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1803 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1803 for ARM64-based SystemsStatusaffectedConstraints-
- Version Version 1803 for x64-based SystemsStatusaffectedConstraints-
- Version Version 1809 for 32-bit SystemsStatusaffectedConstraints-
- Version Version 1809 for ARM64-based SystemsStatusaffectedConstraints-
- Version Version 1809 for x64-based SystemsStatusaffectedConstraints-
- Version
-
- Version version 1709 (Server Core Installation)StatusaffectedConstraints-
- Version version 1803 (Server Core Installation)StatusaffectedConstraints-
- Version
-
- Version 32-bit systemsStatusaffectedConstraints-
- Version x64-based systemsStatusaffectedConstraints-
- Version
-
- Version Windows RT 8.1StatusaffectedConstraints-
- Version
-
- Version (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version (Server Core installation)StatusaffectedConstraints-
- Version
-
- Version (Server Core installation)StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows 10 | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Windows 10 Servers | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Windows 8.1 | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Windows RT 8.1 | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Windows Server 2012 R2 | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Windows Server 2016 | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Windows Server 2019 | n/a |
|
OR
- 1607
- 1709
- 1803
- 1809
- n/a
- n/a
- r2
- n/a
- 1709
- 1803
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.4 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
3.5 LOW NVD
AV:N/AC:M/Au:S/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.62% 0.01619
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01619
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.62% (0.01619) | 75.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.60% (0.01605) | 72.62th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00426) | 60.17th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.15% (0.00149) | 52.41th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.12% (0.00124) | 47.28th | v3 (v2023.03.01) |
| Nov 7, 2023 | 0.08% (0.00082) | 34.31th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.07% (0.00075) | 30.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00061) | 23.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01410) | 72.96th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01410) | 72.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01410) | 70.94th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01410) | 50.00th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.09% (0.07092) | 83.78th | v1 |
| Jan 6, 2022 | 7.09% (0.07092) | 83.63th | v1 |
| Sep 1, 2021 | 7.09% (0.07092) | 91.30th | v1 |
| Apr 14, 2021 | 7.09% (0.07092) | 0.00th | v1 |
Weaknesses (1)
References (2)
- http://www.securityfocus.com/bid/105801 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8547 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105801 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8547 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Nov 14, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8547
CISA Vulnrichment
Updated n/a