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 Office, Microsoft Excel
Published May 9, 2018
5.5
MEDIUMCVSS 3.0
EPSS 13.16%
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 Office, Microsoft Excel.
Affected products
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.
13.16% 0.13157
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.13157
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 (43 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.16% (0.13157) | 96.25th | v5 (v2026.06.15) |
| Sep 22, 2026 | 13.16% (0.13157) | 96.19th | v5 (v2026.06.15) |
| Sep 21, 2026 | 6.62% (0.06620) | 93.64th | v5 (v2026.06.15) |
| Sep 20, 2026 | 13.16% (0.13157) | 96.18th | v5 (v2026.06.15) |
| Sep 6, 2026 | 13.42% (0.13418) | 96.16th | v5 (v2026.06.15) |
| Sep 5, 2026 | 6.75% (0.06754) | 93.61th | v5 (v2026.06.15) |
| Aug 30, 2026 | 13.42% (0.13418) | 96.14th | v5 (v2026.06.15) |
| Aug 28, 2026 | 6.75% (0.06754) | 93.57th | v5 (v2026.06.15) |
| Aug 24, 2026 | 13.42% (0.13418) | 96.12th | v5 (v2026.06.15) |
| Aug 23, 2026 | 6.75% (0.06754) | 93.55th | v5 (v2026.06.15) |
| Aug 14, 2026 | 13.42% (0.13418) | 96.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.26% (0.12255) | 95.64th | v5 (v2026.06.15) |
| Jan 29, 2026 | 28.95% (0.28949) | 96.43th | v4 (v2025.03.14) |
| Oct 30, 2025 | 23.48% (0.23479) | 95.73th | v4 (v2025.03.14) |
| Oct 25, 2025 | 20.43% (0.20427) | 95.28th | v4 (v2025.03.14) |
| Sep 27, 2025 | 18.22% (0.18220) | 94.98th | v4 (v2025.03.14) |
| Aug 31, 2025 | 22.60% (0.22597) | 95.64th | v4 (v2025.03.14) |
| May 3, 2025 | 17.95% (0.17950) | 94.80th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.50% (0.14498) | 93.87th | v4 (v2025.03.14) |
| Mar 29, 2025 | 29.76% (0.29764) | 94.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 14.50% (0.14498) | 93.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.81% (0.00814) | 82.50th | v3 (v2023.03.01) |
| Apr 18, 2024 | 0.60% (0.00604) | 78.29th | v3 (v2023.03.01) |
| Mar 18, 2024 | 0.73% (0.00726) | 80.22th | v3 (v2023.03.01) |
| Jan 23, 2024 | 0.62% (0.00616) | 76.51th | v3 (v2023.03.01) |
| Nov 9, 2023 | 0.60% (0.00604) | 76.09th | v3 (v2023.03.01) |
| Oct 21, 2023 | 0.64% (0.00638) | 76.78th | v3 (v2023.03.01) |
| Sep 30, 2023 | 0.59% (0.00590) | 75.75th | v3 (v2023.03.01) |
| Sep 8, 2023 | 0.61% (0.00611) | 76.01th | v3 (v2023.03.01) |
| May 21, 2023 | 0.48% (0.00482) | 72.35th | v3 (v2023.03.01) |
| May 3, 2023 | 0.50% (0.00503) | 72.92th | v3 (v2023.03.01) |
| Apr 18, 2023 | 0.44% (0.00438) | 70.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00418) | 70.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.42% (0.06416) | 91.03th | v2 (v2022.01.01) |
| Aug 30, 2022 | 6.42% (0.06416) | 90.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.85% (0.05853) | 89.57th | v2 (v2022.01.01) |
| Mar 22, 2022 | 5.85% (0.05853) | 77.88th | v2 (v2022.01.01) |
| Feb 13, 2022 | 5.27% (0.05274) | 76.15th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.79% (0.04794) | 74.58th | 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/104059 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040857 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8163 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104059 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040857 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8163 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published May 9, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8163
CISA Vulnrichment
Updated n/a