MEDIUM
An elevation of privilege vulnerability exists when Microsoft Outlook does not validate attachment headers properly, aka "Microsoft Outlook Elevation of Privilege Vulnerability." This affects Microsoft Office, Microsoft Outlook
Published Jun 14, 2018
6.5
MEDIUMCVSS 3.0
EPSS 5.33%
Description
An elevation of privilege vulnerability exists when Microsoft Outlook does not validate attachment headers properly, aka "Microsoft Outlook Elevation of Privilege Vulnerability." This affects Microsoft Office, Microsoft Outlook.
Affected products
-
- Version 2016 Click-to-Run (C2R) for 32-bit editionsStatusaffectedConstraints-
- Version 2016 Click-to-Run (C2R) for 64-bit editionsStatusaffectedConstraints-
- 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
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 Outlook | 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.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
5.33% 0.05326
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05326
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 (32 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.33% (0.05326) | 92.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.85% (0.04852) | 90.86th | v5 (v2026.06.15) |
| Mar 6, 2026 | 16.90% (0.16904) | 94.84th | v4 (v2025.03.14) |
| Feb 9, 2026 | 13.18% (0.13180) | 93.95th | v4 (v2025.03.14) |
| Dec 29, 2025 | 15.09% (0.15093) | 94.36th | v4 (v2025.03.14) |
| Nov 30, 2025 | 19.21% (0.19212) | 95.12th | v4 (v2025.03.14) |
| Nov 21, 2025 | 15.47% (0.15466) | 94.38th | v4 (v2025.03.14) |
| Nov 18, 2025 | 13.39% (0.13390) | 93.54th | v4 (v2025.03.14) |
| Nov 2, 2025 | 15.47% (0.15466) | 94.40th | v4 (v2025.03.14) |
| Oct 6, 2025 | 13.28% (0.13280) | 93.89th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.23% (0.10230) | 92.41th | v4 (v2025.03.14) |
| Mar 29, 2025 | 36.76% (0.36757) | 95.61th | v4 (v2025.03.14) |
| Mar 19, 2025 | 10.40% (0.10404) | 92.24th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.74% (0.04740) | 88.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.32% (0.00324) | 71.60th | v3 (v2023.03.01) |
| May 24, 2024 | 0.32% (0.00324) | 70.70th | v3 (v2023.03.01) |
| Mar 29, 2024 | 0.46% (0.00460) | 74.89th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00324) | 69.95th | v3 (v2023.03.01) |
| Nov 5, 2023 | 0.32% (0.00324) | 67.54th | v3 (v2023.03.01) |
| Jun 8, 2023 | 0.36% (0.00365) | 68.41th | v3 (v2023.03.01) |
| Apr 20, 2023 | 0.38% (0.00375) | 68.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.40% (0.00395) | 69.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.42% (0.06416) | 91.03th | v2 (v2022.01.01) |
| Oct 5, 2022 | 6.42% (0.06416) | 90.69th | v2 (v2022.01.01) |
| Apr 27, 2022 | 5.85% (0.05853) | 89.62th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.27% (0.05274) | 88.80th | v2 (v2022.01.01) |
| Mar 21, 2022 | 5.27% (0.05274) | 76.42th | 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/104323 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041107 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8244 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104323 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041107 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8244 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jun 14, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8244
CISA Vulnrichment
Updated n/a