CVE-2017-11779

Name: CVE-2017-11779
Creator: NVD / NIST
Published: 2017-10-13T13:29:00.567+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 33.10%

Last modified Jun 17, 2026

CVE-2017-11779 is a vulnerability of currently unknown severity. The Microsoft Windows Domain Name System (DNS) DNSAPI.dll on Microsoft Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a remote code execution vulnerability when it fails to properly handle DNS responses, aka "Windows DNSAPI Remote Code Execution Vulnerability".. EPSS estimates a 33.10% chance of exploitation in the next 30 days.

Description

The Microsoft Windows Domain Name System (DNS) DNSAPI.dll on Microsoft Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a remote code execution vulnerability when it fails to properly handle DNS responses, aka "Windows DNSAPI Remote Code Execution Vulnerability".

Metrics

EPSS Probability

33.10%

98.1th percentile

Probability of exploitation in the next 30 days. Learn more

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/101166Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039533Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11779Patch, Vendor Advisory
http://www.securityfocus.com/bid/101166Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039533Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11779Patch, Vendor Advisory

Timeline

Published: Oct 13, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-11779?

How severe is CVE-2017-11779?

Severity scoring for CVE-2017-11779 is pending analysis. The EPSS model estimates a 33.10% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11779?

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-2017-11779?

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

Scan your code now

Source: NVD / NIST