HIGH
A remote code execution vulnerability exists in Microsoft Word software when the software fails to properly handle objects in Protected View, aka "Microsoft Word Remote Code Execution Vulnerability." This affects Microsoft SharePoint Server, Office 365 ProPlus, Microsoft Office, Microsoft Word
Published Oct 10, 2018
8.8
HIGHCVSS 3.0
EPSS 19.71%
Description
A remote code execution vulnerability exists in Microsoft Word software when the software fails to properly handle objects in Protected View, aka "Microsoft Word Remote Code Execution Vulnerability." This affects Microsoft SharePoint Server, Office 365 ProPlus, Microsoft Office, Microsoft Word.
Affected products
-
- Version 2010 Service Pack 2 (32-bit editions)StatusaffectedConstraints-
- Version 2010 Service Pack 2 (64-bit editions)StatusaffectedConstraints-
- Version 2013 RT Service Pack 1StatusaffectedConstraints-
- Version 2013 Service Pack 1 (32-bit editions)StatusaffectedConstraints-
- Version 2013 Service Pack 1 (64-bit editions)StatusaffectedConstraints-
- Version 2016 (32-bit edition)StatusaffectedConstraints-
- Version 2016 (64-bit edition)StatusaffectedConstraints-
- Version 2019 for 32-bit editionsStatusaffectedConstraints-
- Version 2019 for 64-bit editionsStatusaffectedConstraints-
- Version Web Apps 2010 Service Pack 2StatusaffectedConstraints-
- Version
-
- Version 2010 Service Pack 2StatusaffectedConstraints-
- Version
-
- Version 2010 Service Pack 2 (32-bit editions)StatusaffectedConstraints-
- Version 2010 Service Pack 2 (64-bit editions)StatusaffectedConstraints-
- Version 2013 RT Service Pack 1StatusaffectedConstraints-
- Version 2013 Service Pack 1 (32-bit editions)StatusaffectedConstraints-
- Version 2013 Service Pack 1 (64-bit editions)StatusaffectedConstraints-
- Version 2016 (32-bit edition)StatusaffectedConstraints-
- Version 2016 (64-bit edition)StatusaffectedConstraints-
- Version
-
- Version 365 ProPlus for 32-bit SystemsStatusaffectedConstraints-
- Version 365 ProPlus for 64-bit SystemsStatusaffectedConstraints-
- 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 | Microsoft Office | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Microsoft SharePoint Server | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Microsoft Word | n/a |
| |||||||||||||||||||||||||||||||||
| Microsoft | Office | n/a |
|
OR
- 2010
- 2013
- 2013
- 2016
- 2019
- n/a
- 2010
- 2010
- 2010
- 2013
- 2013
- 2016
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.
8.8 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
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.
19.71% 0.19707
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.19707
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 (50 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 19.71% (0.19707) | 97.32th | v5 (v2026.06.15) |
| Sep 22, 2026 | 19.71% (0.19707) | 97.28th | v5 (v2026.06.15) |
| Sep 21, 2026 | 18.43% (0.18433) | 97.18th | v5 (v2026.06.15) |
| Sep 6, 2026 | 19.71% (0.19707) | 97.22th | v5 (v2026.06.15) |
| Sep 5, 2026 | 18.43% (0.18433) | 97.12th | v5 (v2026.06.15) |
| Aug 30, 2026 | 19.71% (0.19707) | 97.21th | v5 (v2026.06.15) |
| Aug 28, 2026 | 17.46% (0.17461) | 96.97th | v5 (v2026.06.15) |
| Aug 24, 2026 | 18.67% (0.18674) | 97.04th | v5 (v2026.06.15) |
| Aug 23, 2026 | 17.46% (0.17461) | 96.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 18.67% (0.18674) | 96.89th | v5 (v2026.06.15) |
| Mar 28, 2026 | 27.38% (0.27382) | 96.38th | v4 (v2025.03.14) |
| Feb 1, 2026 | 28.49% (0.28488) | 96.42th | v4 (v2025.03.14) |
| Dec 28, 2025 | 23.07% (0.23070) | 95.74th | v4 (v2025.03.14) |
| Dec 27, 2025 | 26.32% (0.26322) | 96.16th | v4 (v2025.03.14) |
| Dec 18, 2025 | 23.98% (0.23985) | 95.84th | v4 (v2025.03.14) |
| Dec 14, 2025 | 29.84% (0.29841) | 96.46th | v4 (v2025.03.14) |
| Oct 4, 2025 | 26.28% (0.26277) | 96.12th | v4 (v2025.03.14) |
| Mar 30, 2025 | 16.80% (0.16805) | 94.39th | v4 (v2025.03.14) |
| Mar 29, 2025 | 32.95% (0.32952) | 95.14th | v4 (v2025.03.14) |
| Mar 19, 2025 | 16.80% (0.16805) | 94.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 29.00% (0.29000) | 96.17th | v4 (v2025.03.14) |
| Dec 17, 2024 | 68.68% (0.68676) | 98.16th | v3 (v2023.03.01) |
| Sep 19, 2024 | 15.77% (0.15768) | 96.03th | v3 (v2023.03.01) |
| Aug 19, 2024 | 17.79% (0.17789) | 96.24th | v3 (v2023.03.01) |
| Jul 25, 2024 | 20.40% (0.20404) | 96.42th | v3 (v2023.03.01) |
| Jun 25, 2024 | 22.87% (0.22868) | 96.56th | v3 (v2023.03.01) |
| May 29, 2024 | 22.60% (0.22596) | 96.50th | v3 (v2023.03.01) |
| Mar 23, 2024 | 20.99% (0.20987) | 96.29th | v3 (v2023.03.01) |
| Mar 2, 2024 | 17.29% (0.17285) | 95.94th | v3 (v2023.03.01) |
| Jan 19, 2024 | 18.95% (0.18953) | 95.80th | v3 (v2023.03.01) |
| Oct 4, 2023 | 18.05% (0.18049) | 95.54th | v3 (v2023.03.01) |
| Jul 11, 2023 | 17.93% (0.17932) | 95.45th | v3 (v2023.03.01) |
| Jun 27, 2023 | 28.82% (0.28820) | 96.27th | v3 (v2023.03.01) |
| May 6, 2023 | 28.60% (0.28596) | 96.20th | v3 (v2023.03.01) |
| Apr 23, 2023 | 35.65% (0.35647) | 96.53th | v3 (v2023.03.01) |
| Mar 23, 2023 | 27.10% (0.27097) | 96.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 33.76% (0.33755) | 96.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 34.60% (0.34599) | 97.77th | v2 (v2022.01.01) |
| Jan 31, 2023 | 34.60% (0.34599) | 97.75th | v2 (v2022.01.01) |
| Nov 10, 2022 | 32.42% (0.32419) | 97.57th | v2 (v2022.01.01) |
| Sep 26, 2022 | 31.10% (0.31104) | 97.47th | v2 (v2022.01.01) |
| Aug 23, 2022 | 27.14% (0.27139) | 97.04th | v2 (v2022.01.01) |
| Jul 17, 2022 | 23.10% (0.23099) | 96.62th | v2 (v2022.01.01) |
| Apr 6, 2022 | 21.36% (0.21361) | 96.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 17.27% (0.17269) | 95.90th | v2 (v2022.01.01) |
| Feb 4, 2022 | 17.27% (0.17269) | 93.17th | 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/105499 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041840 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8504 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105499 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041840 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8504 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Oct 10, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8504
CISA Vulnrichment
Updated n/a