CVE-2017-8493

Name: CVE-2017-8493
Creator: NVD / NIST
Published: 2017-06-15T01:29:03.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.46%

Last modified Jun 17, 2026

CVE-2017-8493 is a vulnerability of currently unknown severity. Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to set variables that are either read-only or require authentication when Windows fails to enforce case sensitivity for certain variable checks, aka "Windows Security Feature Bypass Vulnerability".. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to set variables that are either read-only or require authentication when Windows fails to enforce case sensitivity for certain variable checks, aka "Windows Security Feature Bypass Vulnerability".

Metrics

EPSS Probability

1.46%

70.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-178

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	All versions
Microsoft	Windows 10	1511
Microsoft	Windows 10	1607
Microsoft	Windows 10	1703
Microsoft	Windows 8.1	All versions
Microsoft	Windows Rt 8.1	All versions
Microsoft	Windows Server 2012	r2
Microsoft	Windows Server 2016	All versions

References

http://www.securityfocus.com/bid/98850Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038671Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8493Patch, Vendor Advisory
http://www.securityfocus.com/bid/98850Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038671Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8493Patch, Vendor Advisory

Timeline

Published: Jun 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8493?

How severe is CVE-2017-8493?

Severity scoring for CVE-2017-8493 is pending analysis. The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8493?

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-2017-8493?

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

Scan your code now

Source: NVD / NIST