The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Windows 7 SP1, Windows 8.1, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, 1709 and Windows Server 2016, Windows Server, version 1709, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to remote code execution
Published Dec 8, 2017
7.8
HIGHCVSS 3.0
EPSS 19.76%
Description
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Windows 7 SP1, Windows 8.1, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, 1709 and Windows Server 2016, Windows Server, version 1709, Microsoft Exchange Server 2013 and 2016, does not properly scan a specially crafted file leading to remote code execution. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability". This is different than CVE-2017-11937.
Affected products
-
- Version Microsoft Forefront and Microsoft Defender on Windows 7 SP1, Windows 8.1, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, 1709 and Windows Server 2016, Windows Server, version 1709, Microsoft Exchange Server 2013 and 2016.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 Corporation | Microsoft Malware Protection Engine | n/a |
|
- ≤ 1.1.14306.0
Running on/with
- 2013
- 2016
- n/a
- n/a
- n/a
- 1511
- 1607
- 1703
- 1709
- n/a
- n/a
- n/a
- n/a
- 1709
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.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (40 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 19.76% (0.19759) | 97.33th | v5 (v2026.06.15) |
| Sep 22, 2026 | 19.76% (0.19759) | 97.28th | v5 (v2026.06.15) |
| Sep 21, 2026 | 17.06% (0.17064) | 96.99th | v5 (v2026.06.15) |
| Sep 6, 2026 | 19.76% (0.19759) | 97.23th | v5 (v2026.06.15) |
| Sep 5, 2026 | 17.06% (0.17064) | 96.93th | v5 (v2026.06.15) |
| Aug 30, 2026 | 19.76% (0.19759) | 97.21th | v5 (v2026.06.15) |
| Aug 28, 2026 | 17.06% (0.17064) | 96.91th | v5 (v2026.06.15) |
| Aug 24, 2026 | 19.76% (0.19759) | 97.19th | v5 (v2026.06.15) |
| Aug 23, 2026 | 17.06% (0.17064) | 96.90th | v5 (v2026.06.15) |
| Jun 15, 2026 | 19.76% (0.19759) | 97.06th | v5 (v2026.06.15) |
| May 26, 2025 | 32.41% (0.32412) | 96.60th | v4 (v2025.03.14) |
| Apr 28, 2025 | 29.75% (0.29752) | 96.32th | v4 (v2025.03.14) |
| Apr 1, 2025 | 23.06% (0.23061) | 95.45th | v4 (v2025.03.14) |
| Mar 30, 2025 | 15.18% (0.15183) | 94.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 37.38% (0.37377) | 95.69th | v4 (v2025.03.14) |
| Mar 19, 2025 | 15.18% (0.15183) | 93.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 21.65% (0.21646) | 95.26th | v4 (v2025.03.14) |
| Jan 30, 2025 | 82.19% (0.82194) | 98.65th | v3 (v2023.03.01) |
| Dec 17, 2024 | 85.46% (0.85464) | 98.77th | v3 (v2023.03.01) |
| Nov 10, 2024 | 16.28% (0.16278) | 96.12th | v3 (v2023.03.01) |
| Aug 24, 2024 | 18.37% (0.18367) | 96.29th | v3 (v2023.03.01) |
| Apr 28, 2024 | 14.70% (0.14701) | 95.70th | v3 (v2023.03.01) |
| Dec 24, 2023 | 13.11% (0.13107) | 95.02th | v3 (v2023.03.01) |
| Nov 18, 2023 | 11.24% (0.11235) | 94.63th | v3 (v2023.03.01) |
| Oct 18, 2023 | 7.10% (0.07103) | 93.23th | v3 (v2023.03.01) |
| Sep 23, 2023 | 4.33% (0.04327) | 91.31th | v3 (v2023.03.01) |
| Aug 24, 2023 | 4.30% (0.04301) | 91.23th | v3 (v2023.03.01) |
| Jul 28, 2023 | 3.87% (0.03869) | 90.71th | v3 (v2023.03.01) |
| May 22, 2023 | 3.57% (0.03567) | 90.24th | v3 (v2023.03.01) |
| May 1, 2023 | 3.23% (0.03232) | 89.77th | v3 (v2023.03.01) |
| Mar 19, 2023 | 2.81% (0.02811) | 89.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.65% (0.02645) | 88.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 39.32% (0.39320) | 98.11th | v2 (v2022.01.01) |
| Sep 4, 2022 | 39.32% (0.39320) | 97.99th | v2 (v2022.01.01) |
| Mar 31, 2022 | 34.60% (0.34599) | 96.81th | v2 (v2022.01.01) |
| Feb 4, 2022 | 32.42% (0.32419) | 96.52th | 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 |
References (3)
- http://www.securityfocus.com/bid/102104 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039972 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11940 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/102104 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039972 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11940 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.