HIGH
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Office
Published Sep 13, 2018
7.8
HIGHCVSS 3.0
EPSS 19.55%
Description
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Office.
Affected products
-
- Version 2016 Click-to-Run (C2R) for 32-bit editionsStatusaffectedConstraints-
- Version 2016 Click-to-Run (C2R) for 64-bit editionsStatusaffectedConstraints-
- Version 2016 for MacStatusaffectedConstraints-
- 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 |
|
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.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
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.
19.55% 0.19546
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.19546
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 (53 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 19.55% (0.19546) | 97.30th | v5 (v2026.06.15) |
| Sep 22, 2026 | 19.55% (0.19546) | 97.26th | v5 (v2026.06.15) |
| Sep 21, 2026 | 17.59% (0.17587) | 97.07th | v5 (v2026.06.15) |
| Sep 6, 2026 | 19.55% (0.19546) | 97.20th | v5 (v2026.06.15) |
| Sep 5, 2026 | 17.59% (0.17587) | 97.00th | v5 (v2026.06.15) |
| Aug 30, 2026 | 19.55% (0.19546) | 97.18th | v5 (v2026.06.15) |
| Aug 28, 2026 | 17.59% (0.17587) | 96.99th | v5 (v2026.06.15) |
| Aug 24, 2026 | 19.55% (0.19546) | 97.17th | v5 (v2026.06.15) |
| Aug 23, 2026 | 17.59% (0.17587) | 96.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 19.55% (0.19546) | 97.03th | v5 (v2026.06.15) |
| Mar 1, 2026 | 33.91% (0.33910) | 96.89th | v4 (v2025.03.14) |
| Feb 1, 2026 | 31.20% (0.31196) | 96.66th | v4 (v2025.03.14) |
| Jan 5, 2026 | 28.96% (0.28958) | 96.40th | v4 (v2025.03.14) |
| Nov 15, 2025 | 23.49% (0.23487) | 95.74th | v4 (v2025.03.14) |
| Oct 30, 2025 | 24.72% (0.24720) | 95.89th | v4 (v2025.03.14) |
| Sep 7, 2025 | 29.93% (0.29930) | 96.50th | v4 (v2025.03.14) |
| Mar 30, 2025 | 20.33% (0.20332) | 95.05th | v4 (v2025.03.14) |
| Mar 29, 2025 | 31.63% (0.31627) | 94.96th | v4 (v2025.03.14) |
| Mar 19, 2025 | 20.33% (0.20332) | 94.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 29.57% (0.29572) | 96.21th | v4 (v2025.03.14) |
| Mar 9, 2025 | 82.55% (0.82545) | 98.70th | v3 (v2023.03.01) |
| Dec 17, 2024 | 85.42% (0.85422) | 98.77th | v3 (v2023.03.01) |
| Sep 28, 2024 | 34.30% (0.34297) | 97.16th | v3 (v2023.03.01) |
| Aug 23, 2024 | 30.62% (0.30621) | 97.02th | v3 (v2023.03.01) |
| Jul 23, 2024 | 18.35% (0.18349) | 96.26th | v3 (v2023.03.01) |
| Jun 28, 2024 | 11.41% (0.11408) | 95.27th | v3 (v2023.03.01) |
| May 29, 2024 | 13.00% (0.12997) | 95.50th | v3 (v2023.03.01) |
| May 2, 2024 | 12.82% (0.12819) | 95.42th | v3 (v2023.03.01) |
| Feb 25, 2024 | 11.78% (0.11780) | 95.13th | v3 (v2023.03.01) |
| Feb 3, 2024 | 9.47% (0.09467) | 94.21th | v3 (v2023.03.01) |
| Dec 22, 2023 | 8.32% (0.08322) | 93.75th | v3 (v2023.03.01) |
| Sep 6, 2023 | 7.87% (0.07866) | 93.42th | v3 (v2023.03.01) |
| Jul 8, 2023 | 6.71% (0.06714) | 92.85th | v3 (v2023.03.01) |
| Jun 13, 2023 | 5.33% (0.05330) | 91.94th | v3 (v2023.03.01) |
| May 30, 2023 | 57.82% (0.57817) | 97.18th | v3 (v2023.03.01) |
| May 10, 2023 | 33.27% (0.33266) | 96.42th | v3 (v2023.03.01) |
| Apr 28, 2023 | 48.47% (0.48467) | 96.91th | v3 (v2023.03.01) |
| Apr 8, 2023 | 28.35% (0.28351) | 96.16th | v3 (v2023.03.01) |
| Mar 26, 2023 | 54.76% (0.54756) | 97.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.52% (0.16518) | 95.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 34.60% (0.34599) | 97.77th | v2 (v2022.01.01) |
| Jan 3, 2023 | 34.60% (0.34599) | 97.74th | v2 (v2022.01.01) |
| Oct 13, 2022 | 32.42% (0.32419) | 97.55th | v2 (v2022.01.01) |
| Aug 29, 2022 | 31.10% (0.31104) | 97.45th | v2 (v2022.01.01) |
| Jul 26, 2022 | 27.14% (0.27139) | 97.08th | v2 (v2022.01.01) |
| Jun 19, 2022 | 23.10% (0.23099) | 96.49th | v2 (v2022.01.01) |
| Apr 1, 2022 | 21.36% (0.21361) | 96.28th | v2 (v2022.01.01) |
| Mar 9, 2022 | 21.36% (0.21361) | 94.25th | 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/105206 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041630 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8331 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105206 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041630 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8331 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Sep 13, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8331
CISA Vulnrichment
Updated n/a