An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka "Microsoft SharePoint Server Elevation of Privilege Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint
Published Dec 12, 2018
8.8
HIGHCVSS 3.0
EPSS 6.13%
Description
An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka "Microsoft SharePoint Server Elevation of Privilege Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint.
Affected products
-
- Version Enterprise Server 2013 Service Pack 1StatusaffectedConstraints-
- Version Enterprise Server 2016StatusaffectedConstraints-
- Version
-
- Version 2010 Service Pack 2StatusaffectedConstraints-
- 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 SharePoint | n/a |
| |||||||||
| Microsoft | Microsoft SharePoint Server | n/a |
|
- 2013
- 2016
- 2010
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:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:P/I:P/A:P
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 v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.13% (0.06127) | 93.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.13% (0.06127) | 92.50th | v5 (v2026.06.15) |
| May 30, 2026 | 19.69% (0.19689) | 95.54th | v4 (v2025.03.14) |
| May 2, 2026 | 24.62% (0.24622) | 96.15th | v4 (v2025.03.14) |
| Dec 28, 2025 | 19.72% (0.19720) | 95.23th | v4 (v2025.03.14) |
| Dec 27, 2025 | 16.66% (0.16655) | 94.74th | v4 (v2025.03.14) |
| Dec 13, 2025 | 19.00% (0.18998) | 95.10th | v4 (v2025.03.14) |
| Dec 6, 2025 | 16.66% (0.16655) | 94.67th | v4 (v2025.03.14) |
| May 28, 2025 | 12.97% (0.12974) | 93.67th | v4 (v2025.03.14) |
| Mar 30, 2025 | 11.85% (0.11851) | 93.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.48% (0.23480) | 93.52th | v4 (v2025.03.14) |
| Mar 19, 2025 | 11.85% (0.11851) | 92.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.33% (0.06334) | 90.28th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00111) | 46.06th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.11% (0.00111) | 44.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00111) | 42.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.38% (0.02378) | 81.48th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.38% (0.02378) | 58.36th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.70% (0.06701) | 83.28th | v5 (v2026.06.15) |
| Apr 14, 2021 | 6.70% (0.06701) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/106121 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8635 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/106121 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8635 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.