MEDIUM
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel
Published Aug 15, 2018
5.5
MEDIUMCVSS 3.0
EPSS 12.26%
Description
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.
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 2016 Click-to-Run (C2R) for 32-bit editionsStatusaffectedConstraints-
- Version 2016 Click-to-Run (C2R) for 64-bit editionsStatusaffectedConstraints-
- Version
-
- Version 2007 Service Pack 3StatusaffectedConstraints-
- Version
-
- Version 2016 for MacStatusaffectedConstraints-
- Version Compatibility Pack Service Pack 3StatusaffectedConstraints-
- 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 Excel | n/a |
| ||||||||||||||||||||||||||||||
| Microsoft | Microsoft Excel Viewer | n/a |
| ||||||||||||||||||||||||||||||
| Microsoft | Microsoft Office | n/a |
|
OR
- 2010
- 2013
- 2016
- 2016
- sp1
- 2007
- 2016
- 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.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
12.26% 0.12255
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.12255
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 (44 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 12.26% (0.12255) | 96.06th | v5 (v2026.06.15) |
| Sep 22, 2026 | 12.26% (0.12255) | 95.99th | v5 (v2026.06.15) |
| Sep 21, 2026 | 6.16% (0.06155) | 93.23th | v5 (v2026.06.15) |
| Sep 6, 2026 | 12.26% (0.12255) | 95.91th | v5 (v2026.06.15) |
| Sep 5, 2026 | 6.16% (0.06155) | 93.08th | v5 (v2026.06.15) |
| Aug 30, 2026 | 12.26% (0.12255) | 95.88th | v5 (v2026.06.15) |
| Aug 28, 2026 | 6.16% (0.06155) | 93.04th | v5 (v2026.06.15) |
| Aug 24, 2026 | 12.26% (0.12255) | 95.86th | v5 (v2026.06.15) |
| Aug 23, 2026 | 6.16% (0.06155) | 93.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.26% (0.12255) | 95.64th | v5 (v2026.06.15) |
| May 7, 2026 | 28.95% (0.28949) | 96.59th | v4 (v2025.03.14) |
| Jan 31, 2026 | 23.48% (0.23479) | 95.82th | v4 (v2025.03.14) |
| Jan 3, 2026 | 21.05% (0.21048) | 95.49th | v4 (v2025.03.14) |
| Dec 7, 2025 | 25.85% (0.25846) | 96.05th | v4 (v2025.03.14) |
| Oct 30, 2025 | 20.75% (0.20750) | 95.35th | v4 (v2025.03.14) |
| Aug 9, 2025 | 17.95% (0.17950) | 94.87th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.73% (0.14730) | 93.92th | v4 (v2025.03.14) |
| Mar 29, 2025 | 30.14% (0.30138) | 94.74th | v4 (v2025.03.14) |
| Mar 19, 2025 | 14.73% (0.14730) | 93.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 16.49% (0.16488) | 94.38th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.96% (0.00964) | 83.98th | v3 (v2023.03.01) |
| Jun 24, 2024 | 1.16% (0.01157) | 84.92th | v3 (v2023.03.01) |
| Apr 30, 2024 | 0.98% (0.00983) | 83.28th | v3 (v2023.03.01) |
| Feb 15, 2024 | 1.25% (0.01252) | 85.12th | v3 (v2023.03.01) |
| Jan 27, 2024 | 1.32% (0.01322) | 84.57th | v3 (v2023.03.01) |
| Jan 6, 2024 | 1.22% (0.01224) | 83.84th | v3 (v2023.03.01) |
| Dec 15, 2023 | 1.13% (0.01129) | 83.00th | v3 (v2023.03.01) |
| Aug 27, 2023 | 0.81% (0.00806) | 79.56th | v3 (v2023.03.01) |
| Aug 9, 2023 | 0.84% (0.00841) | 79.94th | v3 (v2023.03.01) |
| Jul 25, 2023 | 0.73% (0.00733) | 78.31th | v3 (v2023.03.01) |
| May 16, 2023 | 0.70% (0.00700) | 77.42th | v3 (v2023.03.01) |
| Mar 31, 2023 | 0.49% (0.00494) | 72.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.54% (0.00537) | 73.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.42% (0.06416) | 91.03th | v2 (v2022.01.01) |
| Dec 6, 2022 | 6.42% (0.06416) | 90.75th | v2 (v2022.01.01) |
| Jun 28, 2022 | 5.85% (0.05853) | 89.80th | v2 (v2022.01.01) |
| May 22, 2022 | 5.27% (0.05274) | 88.93th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.79% (0.04794) | 88.19th | v2 (v2022.01.01) |
| Feb 9, 2022 | 4.79% (0.04794) | 74.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.00% (0.04004) | 67.82th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.76% (0.08756) | 86.41th | v1 |
| Jan 6, 2022 | 8.76% (0.08756) | 86.25th | v1 |
| Sep 1, 2021 | 8.76% (0.08756) | 93.70th | v1 |
| Apr 14, 2021 | 8.76% (0.08756) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://www.securityfocus.com/bid/105000 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041463 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8382 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105000 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041463 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8382 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Aug 15, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8382
CISA Vulnrichment
Updated n/a