CVE-2019-1273

Name: CVE-2019-1273
Creator: NVD / NIST
Published: 2019-09-11T22:15:17.507+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.44%

Last modified Jun 17, 2026

CVE-2019-1273 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A cross-site-scripting (XSS) vulnerability exists when Active Directory Federation Services (ADFS) does not properly sanitize certain error messages, aka 'Active Directory Federation Services XSS Vulnerability'.. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

Description

A cross-site-scripting (XSS) vulnerability exists when Active Directory Federation Services (ADFS) does not properly sanitize certain error messages, aka 'Active Directory Federation Services XSS Vulnerability'.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.44%

69.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	1803
Microsoft	Windows 10	1809
Microsoft	Windows 10	1903
Microsoft	Windows Server 2016	1803
Microsoft	Windows Server 2016	1903
Microsoft	Windows Server 2019	All versions

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1273Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1273Patch, Vendor Advisory

Timeline

Published: Sep 11, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-1273?

How severe is CVE-2019-1273?

CVE-2019-1273 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2019-1273?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-1273?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST