HIGH
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"
Published Oct 13, 2017
8.1
HIGHCVSS 3.0
EPSS 33.34%
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".
Affected products
-
- Version Microsoft Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016StatusaffectedConstraints-
- 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 Corporation | Windows Domain Name System (DNS) | n/a |
|
OR
- n/a
- 1511
- 1607
- 1703
- n/a
- n/a
- r2
- 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.
8.1 HIGH NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
33.34% 0.33338
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.33338
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 (37 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 33.34% (0.33338) | 98.33th | v5 (v2026.06.15) |
| Sep 22, 2026 | 33.34% (0.33338) | 98.30th | v5 (v2026.06.15) |
| Sep 21, 2026 | 25.41% (0.25412) | 97.90th | v5 (v2026.06.15) |
| Sep 6, 2026 | 33.34% (0.33338) | 98.26th | v5 (v2026.06.15) |
| Sep 5, 2026 | 25.41% (0.25412) | 97.86th | v5 (v2026.06.15) |
| Aug 30, 2026 | 33.34% (0.33338) | 98.25th | v5 (v2026.06.15) |
| Aug 28, 2026 | 25.41% (0.25412) | 97.84th | v5 (v2026.06.15) |
| Aug 24, 2026 | 33.34% (0.33338) | 98.24th | v5 (v2026.06.15) |
| Aug 23, 2026 | 25.41% (0.25412) | 97.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 33.10% (0.33104) | 98.14th | v5 (v2026.06.15) |
| Apr 29, 2025 | 38.26% (0.38264) | 97.00th | v4 (v2025.03.14) |
| Mar 31, 2025 | 43.92% (0.43916) | 97.26th | v4 (v2025.03.14) |
| Mar 30, 2025 | 38.66% (0.38659) | 96.96th | v4 (v2025.03.14) |
| Mar 29, 2025 | 64.95% (0.64947) | 97.87th | v4 (v2025.03.14) |
| Mar 17, 2025 | 38.66% (0.38659) | 96.91th | v4 (v2025.03.14) |
| Dec 17, 2024 | 26.47% (0.26471) | 96.75th | v3 (v2023.03.01) |
| Oct 25, 2024 | 50.61% (0.50611) | 97.61th | v3 (v2023.03.01) |
| Jun 22, 2024 | 44.01% (0.44008) | 97.40th | v3 (v2023.03.01) |
| May 13, 2024 | 52.15% (0.52150) | 97.56th | v3 (v2023.03.01) |
| Jan 17, 2024 | 44.91% (0.44912) | 97.07th | v3 (v2023.03.01) |
| Dec 9, 2023 | 56.06% (0.56056) | 97.35th | v3 (v2023.03.01) |
| Sep 23, 2023 | 70.41% (0.70413) | 97.63th | v3 (v2023.03.01) |
| Aug 23, 2023 | 78.34% (0.78342) | 97.84th | v3 (v2023.03.01) |
| Jul 29, 2023 | 80.23% (0.80235) | 97.86th | v3 (v2023.03.01) |
| Jun 29, 2023 | 85.31% (0.85314) | 98.04th | v3 (v2023.03.01) |
| Jun 2, 2023 | 82.01% (0.82006) | 97.87th | v3 (v2023.03.01) |
| May 9, 2023 | 73.71% (0.73706) | 97.59th | v3 (v2023.03.01) |
| Apr 15, 2023 | 73.28% (0.73279) | 97.57th | v3 (v2023.03.01) |
| Mar 27, 2023 | 69.38% (0.69377) | 97.42th | v3 (v2023.03.01) |
| Mar 7, 2023 | 70.08% (0.70076) | 97.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 39.32% (0.39320) | 98.11th | v2 (v2022.01.01) |
| Jul 10, 2022 | 39.32% (0.39320) | 97.98th | v2 (v2022.01.01) |
| Feb 4, 2022 | 34.60% (0.34599) | 96.73th | v2 (v2022.01.01) |
| Feb 3, 2022 | 17.55% (0.17549) | 91.03th | v1 |
| Jan 6, 2022 | 17.55% (0.17549) | 90.92th | v1 |
| Sep 1, 2021 | 17.55% (0.17549) | 97.67th | v1 |
| Apr 14, 2021 | 17.55% (0.17549) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (3)
- http://www.securityfocus.com/bid/101166 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039533 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11779 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101166 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039533 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11779 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Oct 13, 2017
Updated Sep 17, 2024
Reserved Jul 31, 2017
Link CVE-2017-11779
CISA Vulnrichment
Updated n/a